Map:- 100 Internet culture
- 100 Mobile phone stubs
- 100 War of 1812 ships of the United Kingdom
- 10 1920s Dutch fighter aircraft
- 10 1930s British military reconnaissance aircraft
- 10 1940s Soviet military transport aircraft
- 10 1950s Soviet bomber aircraft
- 10 1950s United States bomber aircraft
- 10 1960s Soviet fighter aircraft
- 101 Cancelled ships of the United States Navy
- 101 Photography equipment
- 102 Military light utility vehicles
- 10 36 bit computers
- 10 3D printers
- 103 Mobile phone manufacturers
- 10 68000 based home computers
- 10 81 mm artillery
- 10 8 mm machine guns
- 109 Card game terminology
- 109 Drinkware
- 109 Web applications
- 10 Abandoned military aircraft projects of Japan
- 10 Aerial bombs of Russia
- 10 Aeronautical navigation systems
- 10 Aircraft landing systems
- 10 Amateur radio transceivers
- 10 Amstrad CPC
- 10 Anti aircraft weapons
- 10 Anti radiation missiles of the Cold War
- 10 Anti satellite missiles
- 10 Anti submarine missiles
- 10 Apple Inc operating systems
- 10 Apple Inc. operating systems
- 10 Aquaria in Australia
- 10 Astronomical observatories in Finland
- 10 Astronomical observatories in Turkey
- 10 Auxiliary ships of the United States
- 10 Bat conservation
- 10 Binary arithmetic
- 10 Bird observatories in England
- 10 Bluetooth
- 10 Boilers (cookware)
- 10 Books about computer and internet entrepreneurs
- 10 Camera features
- 10 Camera lenses introduced in 2012
- 10 Canadian naval ship stubs
- 10 Cardiac imaging
- 10 CBM hardware
- 10 Chariot burials
- 10 Commercial computer vision systems
- 10 Compact Disc and DVD copy protection
- 10 Competitive programmers
- 10 Crewed space observatories
- 10 Cruisers of Canada
- 10 Desktop database application development tools
- 10 Dixons Carphone
- 10 DOS memory management
- 10 Dutch scientific instrument makers
- 10 Dynamic programming languages
- 10 Early Modern European swords
- 10 Early warning systems
- 10 E book sources
- 10 Engine valvetrain configurations
- 10 Fictional energy weapons
- 10 Fictional programmers
- 10 Firearms magazines
- 10 Firearms of the Republic of China
- 10 Flame tanks
- 10 Free computer programming tools
- 10 Game Boy accessories
- 10 Glassblowers
- 10 Glass cockpit
- 10 Google Street View
- 10 Great refractors
- 10 Ground stations
- 10 Gun laying radars
- 10 Hughes aircraft
- 10 IBM server computers
- 10 Image noise reduction techniques
- 10 Individual patterns of tableware
- 10 Individual weapons
- 10 JavaScript programming tools
- 10 Kitt Peak National Observatory
- 10 Knife makers
- 10 Land mines
- 10 Land mines of the United States
- 10 LaserDisc
- 10 Lens designers
- 10 Lifeboat stations in Scotland
- 10 Lime kilns in Scotland
- 10 Lumber ships
- 10 Machine guns
- 10 Mars Science Laboratory instruments
- 10 Mathematical morphology
- 10 Mechanical calculator companies
- 10 Medieval shields
- 10 Military boots
- 10 Military equipment of Georgia (country)
- 10 Military equipment of the United Kingdom
- 10 Military equipment of World War I
- 10 Military trucks of Czechoslovakia
- 10 Milk containers
- 10 Missile countermeasures
- 10 Mobile software programming tools
- 10 Musculoskeletal radiographic signs
- 10 Muzzleloaders
- 10 Network attached storage
- 10 Neuroimaging software
- 10 Nintendo Entertainment System
- 10 Notebooks
- 10 Nuclear weapons programs
- 10 Obukhov State Plant products
- 10 Oceanographic research ships of the United States Navy
- 10 Olivetti computers
- 10 OnePlus mobile phones
- 10 Online dating applications
- 10 Operating systems
- 10 Optical diodes
- 10 Optical instruments
- 10 Pattern matching programming languages
- 10 PDP 11
- 10 Peripheral Component Interconnect
- 10 Photodetectors
- 10 Photographic technology museums
- 10 Physiological instruments
- 10 Planetaria in India
- 10 Portable electronics
- 10 Privateer ships
- 10 Provincial Marine
- 10 Rangefinder cameras
- 10 Robert Bosch GmbH
- 10 Rocket launchers
- 10 Rocket weapons
- 10 Scientific equipment
- 10 Scientific instrument makers
- 10 Searchlights
- 10 Self hosting software
- 10 Server hardware
- 10 Sex toy manufacturers
- 10 Ships of the Imperial Japanese Navy
- 10 Ships of the Indian Navy
- 10 Smoke grenades
- 10 Solar building designers
- 10 Source code
- 10 Spanish Armada
- 10 Square Kilometre Array
- 10 Squares (tool)
- 10 Storage tanks
- 10 Submarines of France
- 10 Super Nintendo Entertainment System
- 10 Tablet computers introduced in 2015
- 10 Tank engines
- 10 Tape based computer storage
- 10 TeX
- 10 The Matrix (franchise) characters
- 10 Timex Datalink
- 10 Troop ships of Australia
- 10 TurboGrafx 16
- 10 United States Army vehicles
- 10 UNIVAC mainframe computers
- 10 Uralvagonzavod products
- 10 Vibrators
- 10 Videotex
- 10 Vietnam War ships
- 10 Vympel NPO products
- 10 Watchmakers
- 10 Weapon fixtures
- 10 Weapons and ammunition introduced in 1983
- 10 Weapons and ammunition introduced in 2010
- 10 Windows Mobile Classic devices
- 10 World War II military equipment of Canada
- 10 World War II naval ships of Germany
- 10 World War I naval ships of Russia
- 11 1910s Italian fighter aircraft
- 11 1910s United States military reconnaissance aircraft
- 11 1920s Italian fighter aircraft
- 11 1930s Italian military reconnaissance aircraft
- 11 1930s United States military utility aircraft
- 11 1930s United States patrol aircraft
- 11 1940s British military trainer aircraft
- 11 1940s Japanese military reconnaissance aircraft
- 11 1940s United States military reconnaissance aircraft
- 11 1960s United States military transport aircraft
- 11 1990s United States military reconnaissance aircraft
- 11 19th century semi automatic pistols
- 111 Military uniforms
- 111 Windows
- 11 280 mm artillery
- 112 Glass artists
- 112 Glass art
- 112 Phones with multiple rear cameras
- 11 3GPP standards
- 114 Mobile phones with 4K video recording
- 114 Space telescopes
- 116 CD32 games
- 116 Vacuum tubes
- 11 85 mm artillery
- 118 Video games with cross platform play
- 11 Acer Inc products
- 11 Acer Inc. products
- 11 Active noise control mobile phones
- 11 Air to surface missiles of Russia
- 11 American clockmakers
- 11 Amphibious armoured fighting vehicles
- 11 Ancient Roman glassware
- 11 Android emulation software
- 11 Anti submarine weapons
- 11 Anti tank missiles of Russia
- 11 Armories (military)
- 11 Armoured fighting vehicles of the United Kingdom
- 11 Armour
- 11 Atari ST
- 11 Atomic clocks
- 11 Avaya
- 11 Battleships
- 11 Biosensors
- 11 Blockade runners of the American Civil War
- 11 Camcorders
- 11 Camera lenses introduced in 2013
- 11 Camera lenses introduced in 2015
- 11 Cameras introduced in 2019
- 11 Cameras introduced in 2020
- 11 Cancelled military aircraft projects of France
- 11 Capacitor manufacturers
- 11 Cell BE architecture
- 11 Civil War military equipment of the United States
- 11 Cold War weapons of China
- 11 Combat helmets of the United States
- 11 Commercial transistors
- 11 Communications satellites in low Earth orbit
- 11 Compact Macintosh
- 11 Compilers
- 11 Computer programmers who committed suicide
- 11 Computer related introductions in 1949
- 11 Computer related introductions in 1978
- 11 Computer related introductions in 2019
- 11 Computer related introductions in 2020
- 11 Construction equipment manufacturers of Germany
- 11 Cruisers of Italy
- 11 Cycle designers
- 11 Data types
- 11 Declarative programming languages
- 11 Defence companies of Australia
- 11 Diabetes related supplies and medical equipment
- 11 Digital cameras with CMOS image sensor
- 11 Discoveries by the Catalina Sky Survey
- 11 Educational math software
- 11 Electrical connectors stubs
- 11 Electrical equipment manufacturers
- 11 E Science
- 11 Fault tolerant computer systems
- 11 Fictional armour
- 11 Fictional weapons
- 11 Fire detection and alarm
- 11 Firmware
- 11 Fitness apps
- 11 Forest railways
- 11 Foundry semiconductor companies
- 11 Garden tool manufacturers
- 11 Geometry in computer vision
- 11 Grid computing
- 11 Grinding machines
- 11 Guided missiles of the People's Republic of China
- 11 Horse tack and equipment
- 11 Image segmentation
- 11 Individual pieces of pottery
- 11 Industrial equipment on the National Register of Historic Places
- 11 Inertial confinement fusion research lasers
- 11 Iranian pottery
- 11 Italian pottery
- 11 Italian scientific instrument makers
- 11 Kalashnikov Concern products
- 11 KB Mashinostroyeniya products
- 11 Korean food preparation utensils
- 11 Laundry washing equipment
- 11 Lawn mower manufacturers
- 11 Leica lenses
- 11 LG Electronics
- 11 Light bombers
- 11 Lists of aircraft carriers
- 11 Lists of currently active military vehicles
- 11 Machine guns of Germany
- 11 Macintosh operating systems
- 11 Mathematical tables
- 11 Medicinal radiochemistry
- 11 Microconsoles
- 11 Military vehicles of the United Kingdom
- 11 Mining railways in the United States
- 11 Missiles
- 11 National Weather Service weather radars
- 11 Naval mines
- 11 One Laptop per Child
- 11 Photogrammetry
- 11 Projectile points
- 11 Radiation therapy procedures
- 11 Radio modulation modes
- 11 Raptor migration sites
- 11 Retail point of sale systems
- 11 Royal Observatory, Greenwich
- 11 Samsung Electronics
- 11 Self propelled anti aircraft weapons of Russia
- 11 Self propelled anti aircraft weapons of the Soviet Union
- 11 Semiconductor growth
- 11 Ships of the Confederate States Navy
- 11 Ships of the Hellenic Navy
- 11 Ships of the Royal Yugoslav Navy
- 11 Ships of the Vietnam People's Navy
- 11 Short comics
- 11 Sino French War naval ships
- 11 Solar observatories
- 11 Solar powered aircraft
- 11 Space radar altimeters
- 11 Space radars
- 11 Storage vessels
- 11 Studio pottery
- 11 Submachine guns of Italy
- 11 Submarine communications cables
- 11 Submarines of Germany
- 11 Sun servers
- 11 Surface to air missiles of Germany
- 11 Tarot playing card decks
- 11 Text oriented programming languages
- 11 Toilet training
- 11 Toshiba brands
- 11 Tractor manufacturers of Italy
- 11 Transmission lines
- 11 United States Air Force uniforms
- 11 United States Space Surveillance Network
- 11 Unix
- 11 Victoria and Albert Museum
- 11 Weapons of Okinawa
- 11 Wheelchairs
- 11 Wildfire suppression equipment
- 11 Wildland fire suppression equipment
- 11 World War I aircraft guns
- 11 World War II weapons of the United Kingdom
- 11 World War I naval ships of Italy
- 12 10mm Auto semi automatic pistols
- 12 16 bit computers
- 12 1910s British patrol aircraft
- 12 1910s United States fighter aircraft
- 12 1920s Italian bomber aircraft
- 12 1930s Yugoslav military aircraft
- 12 1940s military gliders
- 121 Audio storage
- 121 Cancelled military aircraft projects of the United States
- 121 Tablet computers
- 124 Cycling jerseys
- 127 Heating, ventilating, and air conditioning
- 127 Heating, ventilation, and air conditioning
- 128 Portable software
- 128 Watch brands
- 129 TurboGrafx CD games
- 12 Abandoned military aircraft projects of Italy
- 12 Aircraft emergency systems
- 12 Android (operating system) development software
- 12 Anesthetic equipment
- 12 Anti aircraft guns of the United States
- 12 Armoured fighting vehicles of Switzerland
- 12 Artillery of India
- 12 Astronomical clocks
- 12 Astronomical observatories in Argentina
- 12 Astronomical observatories in China
- 12 Astronomical observatories
- 12 Automotive lamps
- 12 BeOS software
- 12 Boat builders
- 12 Bubble chambers operated at CERN
- 12 Bulldozers
- 12 Calculators
- 12 Cameras introduced in 2006
- 12 Cat equipment
- 12 Cavalry tanks
- 12 Chainsaws
- 12 Chemical weapons demilitarization
- 12 Coastal defence ships of the Royal Netherlands Navy
- 12 Code navigation tools
- 12 Cold War military computer systems of the United States
- 12 Commerce raiders
- 12 Computer power supply unit manufacturers
- 12 Computer related introductions in 1976
- 12 Computer related introductions in 1987
- 12 Computer related introductions in 2000
- 12 Computer related introductions in 2002
- 12 Computers designed in Germany
- 12 Computers
- 12 Computers using bit slice designs
- 12 Computer systems
- 12 Courses (food)
- 12 Data modeling tools
- 12 Destroyers
- 12 Discontinued handheld game consoles
- 12 Discoveries by Indiana University (Indiana Asteroid Program)
- 12 Distributed file systems
- 12 Earth oven
- 12 Educational hardware
- 12 Electrical test equipment
- 12 Electronic calculator companies
- 12 Fire service vehicle manufacturers
- 12 Floppy disk drives
- 12 Glass bottles
- 12 Graphical terminals
- 12 Greenhouses in Japan
- 12 Hardware acceleration
- 12 History of web browsers
- 12 Home appliance manufacturers of Germany
- 12 Horse protective equipment
- 12 IAS architecture computers
- 12 IBM vacuum tube computers
- 12 Identification
- 12 Improvised weapons
- 12 Incandescent light bulbs
- 12 Instruction processing
- 12 Intel microarchitectures
- 12 Intelsat
- 12 Inter process communication
- 12 Kitchen knives
- 12 Knots of modern origin
- 12 Land mines of the Soviet Union
- 12 Laundry drying equipment
- 12 Lenovo laptops
- 12 Lighthouse fixtures
- 12 Line printers
- 12 Machetes
- 12 Machine guns of France
- 12 Machine guns of Japan
- 12 Macintosh all in ones
- 12 Message transfer agents
- 12 Mexican pottery
- 12 Microsoft development tools
- 12 Microsoft Tablet PC
- 12 Mihajlo Pupin Institute
- 12 Military trucks of Italy
- 12 Military trucks of Switzerland
- 12 Military vehicles introduced in the 1920s
- 12 MKB Raduga products
- 12 Mobile route planning software
- 12 MOS Technology integrated circuits
- 12 Multimedia frameworks
- 12 Mythological weapons
- 12 Naval ships of Mexico
- 12 Naval ships of the Netherlands
- 12 Neuroprosthetics
- 12 Nippon Professional Baseball uniforms
- 12 Nuclear weapons governance
- 12 Operating system kernels
- 12 Orthodontic appliances
- 12 Palomar Observatory
- 12 Party equipment
- 12 Passive cooling
- 12 Patrol vessels of the United Kingdom
- 12 People associated with the Victoria and Albert Museum
- 12 Photographic film makers
- 12 Photovoltaic power stations in India
- 12 Phytopathology
- 12 Pneumatic tools
- 12 Post–Cold War weapons of South Korea
- 12 Power supplies
- 12 Relays
- 12 Ropes
- 12 Routers (computing)
- 12 Samsung computers
- 12 Samsung Galaxy Note mobile phones
- 12 Serving utensils
- 12 SES S A
- 12 SES S.A.
- 12 Ships of the Royal Thai Navy
- 12 Ships of the Sri Lanka Navy
- 12 Sirens
- 12 Sirius XM
- 12 Solar space observatories
- 12 Springfield firearms
- 12 Squad automatic weapons
- 12 Submarines of South Korea
- 12 Suspended monorails
- 12 Swords of the United States
- 12 Systems command installations of the United States Navy
- 12 Tables games
- 12 Tank guns of Germany
- 12 Tanks by type
- 12 Targeting pods
- 12 Technicolor SA
- 12 Telephone exchange equipment
- 12 Threading (manufacturing)
- 12 Tomography
- 12 Transistors
- 12 Travel gear
- 12 TsNIITochMash products
- 12 Variable valve timing
- 12 Virtual private networks
- 12 Volumetric instruments
- 12 Weapon development
- 12 Weapon operation
- 12 Weapons of Java
- 12 World War II vehicles of France
- 12 Xerox
- 12 Yamaha Corporation
- 13 122 mm artillery
- 13 1910s German attack aircraft
- 13 1910s United States military trainer aircraft
- 13 1920s United States military reconnaissance aircraft
- 13 1940s British bomber aircraft
- 13 1950s Soviet fighter aircraft
- 13 1970s United States attack aircraft
- 13 2d nuclear medical imaging
- 13 45 ACP submachine guns
- 13 .45 ACP submachine guns
- 134 9mm Parabellum semi automatic pistols
- 137 American astronomical observatory stubs
- 137 Blade weapons
- 137 Police vehicles
- 138 Ball games
- 139 Artillery stubs
- 13 Ada (programming language)
- 13 All in one desktop computers
- 13 Anti fortification weapons
- 13 Anti ship cruise missiles
- 13 Astronomical observatories in South Africa
- 13 Atari 2600
- 13 Athletic shoes
- 13 Attack helicopters
- 13 Ballistic missiles of Iran
- 13 Bathroom fixture companies
- 13 Bits (horse)
- 13 British cycle designers
- 13 Camera obscuras
- 13 Cars powered by Knight engines
- 13 Cathode ray tube
- 13 CDC hardware
- 13 Centrifuges
- 13 Ceramics of the Metropolitan Museum of Art
- 13 Chinese ceramic works
- 13 Circus equipment
- 13 Cisco products
- 13 Coated paper
- 13 Coats of arms with hammers
- 13 Coke ovens
- 13 Cold War weapons of France
- 13 Cold War weapons of the United Kingdom
- 13 Colt semi automatic pistols
- 13 Communications satellite constellations
- 13 Computer museums
- 13 Computer related introductions in 1975
- 13 Computer related introductions in 2003
- 13 Computer related introductions in 2018
- 13 Concurrent computing
- 13 Corvettes
- 13 Deaths by defenestration
- 13 Defunct monorails
- 13 Degtyarev Plant products
- 13 Digestive system imaging
- 13 Digital subscriber line
- 13 Discoveries by Pan STARRS
- 13 Distributed computing
- 13 Dreamcast
- 13 Ecological connectivity
- 13 Electrical power connectors
- 13 Electrical wiring and construction supplies manufacturers
- 13 Electromagnetic radiation meters
- 13 Entomology equipment
- 13 Fictional mecha
- 13 Geometry processing
- 13 Greenhouses in the United States
- 13 Green woodworking tools
- 13 Hallmark Cards
- 13 History of Microsoft
- 13 Home appliance manufacturers
- 13 Horse harness
- 13 IBM storage devices
- 13 Incapacitating agents
- 13 Inclinometers
- 13 Ion engines
- 13 Izhevsk Mechanical Plant products
- 13 Japanese stationery
- 13 Korean pottery
- 13 Lists of stained glass works
- 13 Lists of telescopes
- 13 Lockheed bribery scandals
- 13 Mainframe computers
- 13 Medieval blade weapons
- 13 Militaria
- 13 Military lasers
- 13 Military personal equipment
- 13 Military trucks of Germany
- 13 Military trucks of the Soviet Union
- 13 Mobile phones with stylus
- 13 Money containers
- 13 MRI contrast agents
- 13 Multi agent systems
- 13 Naval armour
- 13 Naval ships involved in the COVID 19 pandemic
- 13 Nuclear bunkers in the United Kingdom
- 13 Nuclear medicine
- 13 Oil lamp
- 13 Open source mobile phones
- 13 Optical fiber
- 13 Optical telescope components
- 13 Out of band management
- 13 Pen manufacturers
- 13 PlayStation 3
- 13 Police aviation
- 13 Porpoises
- 13 Project Nike
- 13 Radar manufacturers
- 13 Remote weapon stations
- 13 Rifles of Germany
- 13 Satellites of the United States Air Force
- 13 Sega hardware
- 13 Semi automatic pistols 1901–1909
- 13 Semi automatic pistols of Czechoslovakia
- 13 Semi automatic pistols of Russia
- 13 Semi automatic pistols of Spain
- 13 Server appliance
- 13 Ships of the Tokugawa Navy
- 13 Sleeve valve engines
- 13 Smart speakers
- 13 Superheavy tanks
- 13 Surface to air missiles of Iran
- 13 Survival guns
- 13 Tank guns of the United Kingdom
- 13 Television videos and DVDs
- 13 Toilet paper
- 13 Torpedo boats of the Royal Yugoslav Navy
- 13 Troopships of Canada
- 13 TsKIB SOO products
- 13 United States Army locomotives
- 13 Unmanned military aerial vehicles of Iran
- 13 Very long instruction word computing
- 13 Volvo Group
- 13 War of 1812 ships of Canada
- 13 Weapons
- 13 Weapons manufacturing companies
- 13 Weather satellites
- 13 Web server software
- 13 Windows Mobile Standard devices
- 13 World War II vehicles of Germany
- 13 Xerox people
- 13 X ray instrumentation
- 14 1910s Italian military reconnaissance aircraft
- 14 1920s Czechoslovakian fighter aircraft
- 14 1930s British military utility aircraft
- 14 1930s Soviet bomber aircraft
- 14 1930s United States military transport aircraft
- 14 1950s United States military transport aircraft
- 14 2000s United States military reconnaissance aircraft
- 14 210 mm artillery
- 145 History of the tank
- 146 Radio telescopes
- 147 Free software programmers
- 149 Military vehicle stubs
- 14 Advertising tools
- 14 Aerial firefighting aircraft
- 14 Agfa
- 14 Aircraft weapons
- 14 Almaz Antey products
- 14 America's Cup yacht designers
- 14 AmigaOS
- 14 Amiga people
- 14 Analog video connectors
- 14 Ancient Roman helmets
- 14 Apple II peripherals
- 14 Applications of photovoltaics
- 14 Armour collections
- 14 Armoured fighting vehicles of Germany
- 14 Armoured vehicle launched bridges
- 14 Arms trafficking
- 14 Artillery by type
- 14 Automotive tool manufacturers
- 14 BAE Systems land vehicles
- 14 Binding knots
- 14 Boats of the United States Coast Guard
- 14 Brakes
- 14 Canoeing and kayaking equipment
- 14 Caseless firearms
- 14 Chinese swords
- 14 Clutches
- 14 CNH Industrial
- 14 Coffee appliance vendors
- 14 Comic book digests
- 14 Commodore 8 bit computer magazines
- 14 Computer keyboard types
- 14 Computer libraries
- 14 Computer related introductions in 1980
- 14 Contact lenses
- 14 Counting instruments
- 14 Cray products
- 14 Creative Technology products
- 14 Dinnerware designers
- 14 Escapements
- 14 Evolutionary algorithms
- 14 Fishing knots
- 14 Flash photography
- 14 Floating cranes
- 14 Fujifilm photographic films
- 14 German clockmakers
- 14 German stained glass artists and manufacturers
- 14 Grenades of Germany
- 14 Harman International
- 14 Human based computation
- 14 IBM transistorized computers
- 14 Impact matrix printers
- 14 Internet radio
- 14 Intravenous fluids
- 14 Laser communication in space
- 14 Legacy systems
- 14 Lighting designers
- 14 Lime kilns in Ireland
- 14 Logging railways in Russia
- 14 Material handling equipment
- 14 Medical pumps
- 14 Medieval instruments of torture
- 14 Medium tanks
- 14 Mesh networking
- 14 Mesoplodont whales
- 14 Military disbanding and disarmament
- 14 Military equipment introduced in the 1950s
- 14 Military equipment of Switzerland
- 14 Military trucks of China
- 14 Military vehicles
- 14 Motovilikha Plants products
- 14 Naval trawlers of the United Kingdom
- 14 Nets (devices)
- 14 Nintendo Entertainment System hardware clones
- 14 Olivetti people
- 14 Optical toys
- 14 Ottoman clock towers
- 14 Paper toys
- 14 Piezoelectric materials
- 14 Post–Cold War military vehicles of Germany
- 14 Power cables
- 14 Pre Columbian pottery
- 14 Punched card
- 14 Quasi War ships of the United States
- 14 Radiology organizations
- 14 Railway brakes
- 14 Recoilless rifles
- 14 Renaissance era weapons
- 14 Robotic telescopes
- 14 Rowing equipment manufacturers
- 14 Samsung software
- 14 Samurai armour
- 14 Scientific instruments
- 14 Sex toys
- 14 Ships of the Islamic Revolutionary Guard Corps
- 14 Software version histories
- 14 Solar design
- 14 Solar powered devices
- 14 Submarine rescue ships
- 14 Tablet computers introduced in 2011
- 14 Tarotology
- 14 TDRS satellites
- 14 Tools manufactured in the United States
- 14 Trial and research firearms
- 14 Ubiquitous computing
- 14 United States military aircraft
- 14 Usability
- 14 VHS
- 14 Video game console add ons
- 14 Waste containers
- 14 Watch models
- 14 Weighing instruments
- 14 World War I commerce raiders
- 14 World War II guided missiles of Germany
- 14 World War II naval ships of Italy
- 14 World War II suicide weapons of Japan
- 14 World War II tankers
- 14 World War I naval ships of Austria Hungary
- 14 World War I naval ships of Romania
- 150 TurboGrafx 16 games
- 15 1910s British military trainer aircraft
- 15 1920s German military reconnaissance aircraft
- 15 1930s German military reconnaissance aircraft
- 15 1940s computers
- 15 1950s French fighter aircraft
- 15 1950s United States military utility aircraft
- 151 Sportswear brands
- 152 Captured ships
- 15 2 in 1 PCs
- 154 French naval ship stubs
- 154 Laboratory equipment
- 155 Live preview digital cameras
- 156 Comics anthologies
- 156 Military aircraft of World War I
- 157 Empire ships
- 15 Abandoned military projects of Switzerland
- 15 Armour stubs
- 15 Artillery ammunition
- 15 Audio equipment manufacturers of Japan
- 15 Auxiliary cruisers of the Imperial German Navy
- 15 Battery shapes
- 15 Bipolar transistors
- 15 British military radio
- 15 Cameras introduced in 2011
- 15 Cameras introduced in 2018
- 15 Caterpillar Inc people
- 15 Caterpillar Inc. people
- 15 Chalices
- 15 Combat helmets
- 15 Compatibility layers
- 15 Compiling tools
- 15 Computer hardware standards
- 15 Couplers
- 15 Cyberinfrastructure
- 15 Defunct mobile phone manufacturers
- 15 Early computers
- 15 Electronics work tools
- 15 EPUB readers
- 15 Error detection and correction
- 15 Falklands War naval ships of Argentina
- 15 Fatal Frame
- 15 Firearm commerce
- 15 First Opium War ships of the United Kingdom
- 15 Fishing nets
- 15 Fleets of the United States Navy
- 15 French clockmakers
- 15 Google Nexus
- 15 Gulf War ships of the United Kingdom
- 15 Hackers
- 15 Hand held power tools
- 15 Hardware routers
- 15 Home appliance manufacturers of Italy
- 15 Image stabilization
- 15 Individual pieces of porcelain
- 15 Inks
- 15 Interventional cardiology
- 15 Laboratory equipment manufacturers
- 15 LaserDisc covers
- 15 Lathes
- 15 Latin script keyboard layouts
- 15 Lime kilns in England
- 15 Linear motor metros
- 15 Linux kernel
- 15 Middleware
- 15 Military electronics
- 15 Military equipment of World War II
- 15 Military radars of the People's Republic of China
- 15 Military vehicles of the People's Republic of China
- 15 MIPS architecture
- 15 MIPS operating systems
- 15 Mobile phone culture
- 15 Modern instruments of torture
- 15 Muskets
- 15 Naval ships of Malta
- 15 Neon lighting
- 15 Non volatile memory
- 15 Optical computer storage media
- 15 Optical disc authoring
- 15 Peer to peer computing
- 15 Pencil brands
- 15 Personal military carrying equipment
- 15 Pest control
- 15 Planetaria in the United Kingdom
- 15 Playing card manufacturers
- 15 Plumbing valves
- 15 Pressure gauges
- 15 Proxy servers
- 15 Recording devices
- 15 Road congestion charge schemes
- 15 Samsung wearable devices
- 15 Scania AB buses
- 15 Sewing machine brands
- 15 Ships of the Prussian Navy
- 15 Ships of the Republic of Singapore Navy
- 15 Skateboard shoe companies
- 15 Sony consoles
- 15 Soviet cameras
- 15 Sporting goods retailers
- 15 Spreadsheet software
- 15 Submarine borne aircraft
- 15 Surface to air missiles of the United Kingdom
- 15 Terminal emulators
- 15 Texts related to the history of the Internet
- 15 Threaded fasteners
- 15 Tool manufacturing companies of Germany
- 15 Toy weapons
- 15 Transgender and transsexual computer programmers
- 15 UML tools
- 15 User interface builders
- 15 Weapons of Sweden
- 15 Weapons scientists and engineers
- 15 Windows Mobile Standard software
- 15 Winter clothes
- 15 World War II military equipment of Finland
- 15 X86 architecture
- 16 1910s Austro Hungarian military reconnaissance aircraft
- 16 1930s British military trainer aircraft
- 16 1930s Japanese fighter aircraft
- 16 1940s Italian fighter aircraft
- 16 1940s Soviet bomber aircraft
- 16 1960s United States military reconnaissance aircraft
- 161 Dinghies
- 163 Naval ship stubs
- 164 NEC PC 8801 games
- 16 64 bit computers
- 16 Active naval ships of India
- 16 Adidas footballs
- 16 Airships of the Imperial German Navy
- 16 Allis Chalmers Manufacturing Company
- 16 Amphibious warfare vessels
- 16 Arms fairs
- 16 Astronomical observatories in Canada
- 16 Asus products
- 16 Atari 8 bit family software
- 16 Blu ray Disc
- 16 Bomber aircraft
- 16 Bows (archery)
- 16 Bug and issue tracking software
- 16 Catheters
- 16 Ceramics manufacturers of Germany
- 16 Character oriented terminal
- 16 Cholera
- 16 Clock brands
- 16 Coats of arms with firearms
- 16 Computer algebra systems
- 16 Computer related introductions in 1990
- 16 Concurrent programming languages
- 16 Crane manufacturers
- 16 Domain specific programming languages
- 16 E books
- 16 Electro mechanical computers
- 16 Engine valves
- 16 Envelopes
- 16 Excavators
- 16 Fictional hammer fighters
- 16 Filter theory
- 16 Flamethrowers
- 16 Fleets of the Royal Navy
- 16 French stained glass artists and manufacturers
- 16 Gas operated firearms
- 16 GAZ Group military vehicles
- 16 German military uniforms
- 16 Glass engravers
- 16 Greenhouses in the United Kingdom
- 16 History of card decks
- 16 Holy Grail in fiction
- 16 Human computers
- 16 Human–machine interaction
- 16 IBM laptops
- 16 Indian melee weapons
- 16 Individual clocks
- 16 Industrial robots
- 16 Iveco
- 16 Japanese pottery kiln sites
- 16 Jodrell Bank Observatory
- 16 Kodak cameras
- 16 Linux programming tools
- 16 Lists of World War II military equipment
- 16 Logic families
- 16 Medical testing equipment
- 16 Military aircraft procurement programs of the United States
- 16 Military electronics of Russia
- 16 Military vehicles of Switzerland
- 16 Military vehicles of the Soviet Union
- 16 Missile guidance
- 16 Naval ships of Israel
- 16 Naval weapons of the United Kingdom
- 16 NCR Corporation
- 16 Nuclear weapons testing
- 16 Object oriented programming
- 16 Oilers
- 16 Operating system technology
- 16 Oshkosh vehicles
- 16 Panasonic
- 16 Perimeter security
- 16 Ploughs
- 16 Pocket computers
- 16 Police dogs in fiction
- 16 Post–Cold War weapons of Russia
- 16 Projectile weapons
- 16 Quantum computing
- 16 Rotating shaft couplings
- 16 Route planning software
- 16 Royal Naval Air Service squadrons
- 16 Semi automatic pistols
- 16 Ships of the Imperial Japanese Army
- 16 Ships of the Indian Coast Guard
- 16 Ships of the Russian Navy
- 16 Software engineers
- 16 Solar powered vehicles
- 16 Space imagers
- 16 Spanish–American War naval ships of the United States
- 16 Stage lighting instruments
- 16 Statistical software
- 16 Stopper knots
- 16 Submachine guns of the United States
- 16 Sun workstations
- 16 Tablet computers introduced in 2012
- 16 Teapots
- 16 Telescope instruments
- 16 Toiletry
- 16 Tops
- 16 Tractor manufacturers of the United Kingdom
- 16 Vacuum cleaner manufacturers
- 16 Vacuum tube displays
- 16 Walther semi automatic pistols
- 16 Warships
- 16 Weapons of Japan
- 16 Weapons test sites
- 16 Weather radars
- 16 Webcomics
- 16 Windows CE devices
- 16 Wine accessories
- 16 World War II armoured fighting vehicles of Canada
- 16 World War II naval ships of the Soviet Union
- 16 World War II naval ships of the United States
- 16 X based libraries
- 170 Computer hardware stubs
- 17 1920s French military trainer aircraft
- 17 1920s United States military trainer aircraft
- 17 1930s Japanese military reconnaissance aircraft
- 17 1940s German military transport aircraft
- 17 1940s United States attack aircraft
- 171 Computer hardware stubs
- 173 Astronomical observatory stubs
- 173 Police weapons
- 175 Containers
- 17 64 bit computers
- 179 Medical equipment
- 17 Aerial bombs
- 17 African weapons
- 17 Airborne fighting vehicles
- 17 American lighting designers
- 17 Anti agriculture weapons
- 17 Apple II software
- 17 Astronomical observatories in Japan
- 17 Astronomical observatories in Spain
- 17 Audio mixing console manufacturers
- 17 Audiovisual connectors
- 17 Automatic grenade launchers
- 17 Batting (baseball)
- 17 Battleships of Russia
- 17 Cameras introduced in 2017
- 17 Cancelled Atari ST games
- 17 Card game publishing companies
- 17 Coffins
- 17 Cold War weapons of Germany
- 17 Comics formats
- 17 Computer architecture
- 17 Computer keyboard models
- 17 Computer related introductions in 1982
- 17 Computer related introductions in 2009
- 17 Computer systems engineers
- 17 Cricket equipment
- 17 Decorative ropework
- 17 Digital video recorders
- 17 Disappearing guns
- 17 Early machine guns
- 17 Espresso machines
- 17 French scientific instrument makers
- 17 Fuel containers
- 17 Glass museums in the United States
- 17 Graphics hardware
- 17 Headgear (horse)
- 17 Infantry tanks
- 17 Intelsat satellites
- 17 Laser gain media
- 17 Law enforcement uniforms
- 17 Local loop
- 17 Locomotive valve gear
- 17 Machine guns of the Soviet Union
- 17 Manhattan Project
- 17 Military bridging equipment
- 17 Military equipment
- 17 Military equipment of Iran
- 17 Military hovercraft
- 17 Monochrome video game consoles
- 17 Motherboard
- 17 Multi turreted tanks
- 17 Playground equipment
- 17 Postal stationery
- 17 Post–Cold War weapons of South Africa
- 17 Programmable calculators
- 17 Python (programming language) libraries
- 17 Reconnaissance vehicles of the Cold War
- 17 River dolphins
- 17 Royal National Lifeboat Institution lifeboats
- 17 Sega Genesis
- 17 Sensory receptors
- 17 Serial computers
- 17 Ships of the Swedish Navy
- 17 Ships of the Yugoslav Navy
- 17 SIG Sauer semi automatic pistols
- 17 Single edged swords
- 17 Ski equipment manufacturers
- 17 Software design patterns
- 17 Solid state switches
- 17 Static program analysis tools
- 17 Subnotebooks
- 17 Swimwear brands
- 17 Texas Instruments programmable calculators
- 17 Thin clients
- 17 Trawlers of the Royal Canadian Navy
- 17 Tula Arms Plant products
- 17 Unix history
- 17 Unix programming tools
- 17 Unmanned helicopters
- 17 Valve amplifiers
- 17 Vector supercomputers
- 17 Video game hardware
- 17 Weapons of Iran
- 17 Weapons trade
- 17 Whips
- 17 Wireless networking hardware
- 17 World War II assault guns
- 17 World War II military equipment of the United States
- 17 World War II weapons of Japan
- 17 World War I machine guns
- 18 1930s Soviet fighter aircraft
- 18 1940s United States military gliders
- 18 1950s British fighter aircraft
- 182 Coastal artillery
- 18 357 SIG semi automatic pistols
- 18 .357 SIG semi automatic pistols
- 184 FM Towns games
- 18 Aircraft guns of the Soviet Union
- 18 American scientific instrument makers
- 18 Amphibious tanks
- 18 Apple II family
- 18 Armoured fighting vehicles of the People's Republic of China
- 18 Artillery of the Russian Empire
- 18 Audio equipment manufacturers of Germany
- 18 Battery manufacturers
- 18 Billboards
- 18 BIOS
- 18 Brain–computer interfacing
- 18 Bulk material handling
- 18 Cameras introduced in 2008
- 18 Car windows
- 18 Comic book collection books
- 18 Computer related introductions in 1979
- 18 Computer related introductions in 1981
- 18 Computer related introductions in 1998
- 18 Computer storage media
- 18 Computer storage tape media
- 18 Construction equipment manufacturers of the United States
- 18 Consumer battery manufacturers
- 18 Converter stations
- 18 Detector dogs
- 18 Digital display connectors
- 18 Discoveries by the Spacewatch project
- 18 Discrete video arcade games
- 18 DOS drivers
- 18 Electric vehicle battery manufacturers
- 18 Electronic test equipment manufacturers
- 18 Emergency medical equipment
- 18 Farming tools
- 18 Flour mills in the United Kingdom
- 18 Flow meters
- 18 Food grinding tools
- 18 Forestry equipment
- 18 Forklift truck manufacturers
- 18 Four Thirds System
- 18 Historical robots
- 18 Hole making
- 18 Home computer peripherals
- 18 ICL mainframe computers
- 18 Japanese swords
- 18 Kodak photographic films
- 18 Land mines of Germany
- 18 Large calibre artillery
- 18 Laser medicine
- 18 Lick Observatory
- 18 Linens
- 18 Lumber schooners
- 18 Magazines (artillery)
- 18 Manhattan Project sites
- 18 Meteorological observatories
- 18 Military communications of the United States
- 18 Military equipment introduced in the 1960s
- 18 Military equipment introduced in the 1970s
- 18 Military equipment introduced in the 1980s
- 18 Military vehicles introduced in the 2010s
- 18 Military vehicles of Russia
- 18 Modems
- 18 MorphOS software
- 18 Motherboard companies
- 18 Naim Audio
- 18 Nanoelectronics
- 18 Netbook manufacturers
- 18 Patrol boats
- 18 Planes
- 18 PlayStation 4 software
- 18 Point and shoot cameras
- 18 Presentation software
- 18 Protective barriers
- 18 Railway Operating Division locomotives
- 18 Receiver (radio)
- 18 Riot control weapons
- 18 Safety switches
- 18 Semi automatic pistols of Germany
- 18 Software testing tools
- 18 Sporting goods manufacturers of the United Kingdom
- 18 Stained glass artists and manufacturers
- 18 Stained glass windows
- 18 Stoneware
- 18 Sunglasses
- 18 SwissMicros calculators
- 18 System on a chip
- 18 Technical drawing tools
- 18 Telephone exchanges
- 18 Telescoping bolt submachine guns
- 18 Underwater breathing apparatus
- 18 Unmanned ground combat vehicles
- 18 Victorian era naval ships of the United Kingdom
- 18 Virtual reality headsets
- 18 Weapons of the United States
- 18 Web 2 0
- 18 Web 2.0
- 18 Windows Phone
- 19 1910s French military trainer aircraft
- 19 1960s United States attack aircraft
- 191 Tool stubs
- 192 BBC Micro and Acorn Electron games
- 194 Browser games
- 197 Sharp X68000 games
- 199 European naval ship stubs
- 19 Active naval ships of the United States
- 19 Airships of the United States Navy
- 19 American Forces Network
- 19 Artillery of the United States
- 19 Astronomical observatories in New Zealand
- 19 AWACS aircraft
- 19 Cameras in fiction
- 19 Chinese melee weapons
- 19 Coats of arms with axes
- 19 Computer enclosure companies
- 19 Computer related introductions in 2001
- 19 Computer related introductions in 2006
- 19 Computer related introductions in 2016
- 19 Computer terminals
- 19 Computing output devices
- 19 Cruise missiles of the Cold War
- 19 European instruments of torture
- 19 Fighter aircraft
- 19 First Sino Japanese War naval ships of Japan
- 19 Heat pumps
- 19 Insurgency weapons
- 19 Intelligent transportation systems
- 19 Interventional radiology
- 19 Japanese porcelain
- 19 John Deere
- 19 Lime kilns in Australia
- 19 Lists of firearms
- 19 Macintosh case designs
- 19 Maritime vessels related to spaceflight
- 19 Medieval artillery
- 19 Military radars of the United States
- 19 Military vehicles introduced in the 1990s
- 19 Multi paradigm programming languages
- 19 Nike, Inc
- 19 Nike, Inc.
- 19 Personal weapons
- 19 PET radiotracers
- 19 Photographic films
- 19 Photovoltaic power stations in Germany
- 19 Pre–World Wide Web online services
- 19 SCSI
- 19 Serving vessels
- 19 Solar energy companies
- 19 Sound chips
- 19 Soviet computer systems
- 19 Sporting goods company logos
- 19 Tablet computers introduced in 2013
- 19 Tablet computers introduced in 2014
- 19 Tamron
- 19 Telephone connectors
- 19 ThinkPad
- 19 Victorian era ships of the line
- 19 War Department locomotives
- 19 Weapons in Hindu mythology
- 19 Weaving equipment
- 19 Webcams
- 19 Woodworking hand held power tools
- 19 World War I Austro Hungarian infantry weapons
- 19 X ray computed tomography
- 19 Ziphiids
- 20 1920s United States bomber aircraft
- 20 1930s German military trainer aircraft
- 20 1930s Japanese bomber aircraft
- 20 203 mm artillery
- 20 240 mm artillery
- 206 Wii U games
- 207 Firearms stubs
- 208 Firearms stubs
- 209 United Kingdom naval ship stubs
- 20 Aerial torpedoes
- 20 Algorithms
- 20 Amphibious military vehicles
- 20 Ancient Greek military equipment
- 20 Aquaria in Japan
- 20 Armouries in Canada
- 20 Atari 8 bit family
- 20 Atari ST software
- 20 Audiobooks by title or series
- 20 Barbary Wars American ships
- 20 Bartending equipment
- 20 Battery inventors
- 20 Bulletin board systems
- 20 Cameras introduced in 2010
- 20 Central processing unit
- 20 Coats of arms with cogwheels
- 20 Communications satellite operators
- 20 Computer related introductions in 1988
- 20 Computer related introductions in 1991
- 20 Computer storage stubs
- 20 Digital geometry
- 20 Electronic component distributors
- 20 Electronic warfare
- 20 Films about armoured warfare
- 20 Fire detection and alarm companies
- 20 Flour mills
- 20 Gun politics
- 20 HP programmable calculators
- 20 Industries (lithics)
- 20 Knot theory
- 20 Linear integrated circuits
- 20 Lists of World War II ships
- 20 Medieval pole weapons
- 20 Military food of the United States
- 20 Military radars of the United States
- 20 Military vehicles introduced in the 1980s
- 20 Missile launchers
- 20 Models of computation
- 20 Multi barrel machine guns
- 20 Naval ships
- 20 Neutrino observatories
- 20 Ophthalmic equipment
- 20 Overwatch League uniforms
- 20 PepsiCo bottlers
- 20 Personal defense weapons
- 20 Photovoltaic power stations in the United States
- 20 Programming contests
- 20 Pump manufacturers
- 20 Saddles
- 20 Semiconductor devices
- 20 Skiing equipment
- 20 SLR cameras
- 20 Smallpox
- 20 Smart devices
- 20 Software development kits
- 20 Space weapons
- 20 Submillimetre telescopes
- 20 Tank guns
- 20 United States Army equipment
- 20 Video equipment manufacturers
- 21 1930s German fighter aircraft
- 21 1930s Italian fighter aircraft
- 21 1940s Japanese fighter aircraft
- 21 1950s computers
- 212 Measuring instruments
- 21 3D printer companies
- 214 Royal Air Force aircraft squadrons
- 21 Access control
- 21 Activity trackers
- 21 Aerial firefighting
- 21 Aquariums
- 21 Arc welding
- 21 Artillery of Japan
- 21 Artillery of the Soviet Union
- 21 Astronomical observatories in India
- 21 Audio equipment manufacturers of the United Kingdom
- 21 Banana Wars ships of the United States
- 21 Bat roosts
- 21 Battery (electricity)
- 21 Beretta pistols
- 21 Blankets
- 21 British military uniforms
- 21 Cameras introduced in 2016
- 21 Chemical weapons of the United States
- 21 Clocks in the United States
- 21 Computer printer companies
- 21 Computer related introductions in 1977
- 21 Computer related introductions in 2004
- 21 Computer related introductions in 2005
- 21 Crane vessels
- 21 DC power connectors
- 21 Digital movie cameras
- 21 Diodes
- 21 Electroencephalography
- 21 Emergency population warning systems
- 21 Floppy disk computer storage
- 21 Greeting cards
- 21 Hair care products
- 21 Hubble Space Telescope
- 21 IBM unit record equipment
- 21 Industrial machinery
- 21 Lawn and garden tractors
- 21 MacOS emulation software
- 21 Mathematical software
- 21 Medieval weapons
- 21 Military motorcycles
- 21 Military radars of the United States
- 21 Motherboard form factors
- 21 Music equipment manufacturers
- 21 Naval ships of Portugal
- 21 Operating system stubs
- 21 Ornithological equipment and methods
- 21 Pet equipment
- 21 Rocket weapons of Palestine
- 21 Salvo weapons
- 21 Samsung Galaxy Tab series
- 21 Satellite Internet access
- 21 Science facilities on the International Space Station
- 21 Sonar
- 21 Sperm whales
- 21 Standard World War I ships
- 21 Stickers
- 21 Traffic signals
- 21 Transducers
- 21 Vehicle weapons
- 21 Vitreous enamel
- 21 Weapons of Malaysia
- 21 Woodworking tools
- 21 World War I naval ships of the United Kingdom
- 21 X86 supercomputers
- 22 1920s French military reconnaissance aircraft
- 22 1930s United States military reconnaissance aircraft
- 22 25 ACP semi automatic pistols
- 22 .25 ACP semi automatic pistols
- 223 Ships of the Union Navy
- 22 American pottery
- 22 Artillery of Czechoslovakia
- 22 Astronomical observatories in Switzerland
- 22 Backward compatible video game consoles
- 22 Caterpillar Inc vehicles
- 22 Caterpillar Inc. vehicles
- 22 Ceramic glazes
- 22 CERN accelerators
- 22 Chemical weapons
- 22 Cold War military equipment of South Africa
- 22 Cold War military equipment of the United Kingdom
- 22 Commodore 64 software
- 22 Computer related introductions in 1989
- 22 Computer vision researchers
- 22 Cooking appliance brands
- 22 Derringers
- 22 Digit by digit algorithms
- 22 E book suppliers
- 22 Electromagnetic coils
- 22 Fiber optic communications
- 22 German porcelain
- 22 Glass in nature
- 22 Great Locomotive Chase
- 22 Guided bombs
- 22 Heat exchangers
- 22 Home automation companies
- 22 IBM supercomputers
- 22 Image sensors
- 22 Jamming knots
- 22 Japanese food preparation utensils
- 22 Knots of ancient origin
- 22 Legacy hardware
- 22 Lime kilns in the United Kingdom
- 22 Logging railways in New Zealand
- 22 Machine guns of the United States
- 22 Magnetic propulsion devices
- 22 Microkernel based operating systems
- 22 Microkernels
- 22 Military knives
- 22 Mine warfare countermeasures
- 22 Mythological swords
- 22 Nintendo Entertainment System accessories
- 22 Optical computer storage
- 22 Optical disc authoring software
- 22 Optical filters
- 22 Porcelain painters
- 22 Radiation therapy
- 22 Servers (computing)
- 22 Ships of the Royal Dano Norwegian Navy
- 22 Ships of the Royal Netherlands Navy
- 22 Ships of the Soviet Navy
- 22 Simple blowback firearms
- 22 Tablet operating systems
- 22 Tapas
- 22 Ultraviolet telescopes
- 22 World War II guided missiles of the United States
- 22 World War II infantry weapons
- 22 World War II military vehicles
- 22 ZX Spectrum
- 23 18th century weapons
- 23 1910s French bomber aircraft
- 23 1920s British military reconnaissance aircraft
- 23 1930s United States attack aircraft
- 23 1940s United States military trainer aircraft
- 23 Animals that use echolocation
- 23 ARM based video game consoles
- 23 Armoured fighting vehicle equipment
- 23 Armoured warfare
- 23 Arms traders
- 23 Astronomical observatories in France
- 23 Build automation
- 23 Computer peripheral companies
- 23 Computer programming tools
- 23 Computer programming tool stubs
- 23 Computer related introductions in 2007
- 23 Computer related introductions in 2008
- 23 Computer related introductions in 2012
- 23 Computers designed in the United Kingdom
- 23 Corrective lenses
- 23 Cranes (machines)
- 23 Cross and circle games
- 23 Debuggers
- 23 Google hardware
- 23 History of Wikipedia
- 23 IBM personal computers
- 23 Ionising radiation detectors
- 23 Iran–Iraq War naval ships of Iran
- 23 Keyboard layouts
- 23 Lifeboats
- 23 Medical illustrators
- 23 Mobile web browsers
- 23 Particle accelerators
- 23 Personal care companies
- 23 Pocket knives
- 23 Precursors of film
- 23 Radiologic signs
- 23 Remington Arms firearms
- 23 Set top box
- 23 Shipping containers
- 23 Ships of the Royal Fleet Auxiliary
- 23 Solar energy
- 23 Swords
- 23 Transistor types
- 23 Vehicle armour
- 23 Videotape
- 23 Weapons of the Confederate States of America
- 23 Weapons of the Philippines
- 23 Woodworking measuring instruments
- 23 Zeiss lenses
- 240 Carrier based aircraft
- 24 1930s French bomber aircraft
- 24 305 mm artillery
- 243 Sega Game Gear games
- 24 6502 based home computers
- 24 Actuators
- 24 Ancient Roman legionary equipment
- 24 Association football variants
- 24 Astronomical observatories in Germany
- 24 Ballistic missiles
- 24 Battery types
- 24 Bedding
- 24 Computer display standards
- 24 Computer related introductions in 1992
- 24 Cruise missiles
- 24 Dedicated e book devices
- 24 Distributed computing architecture
- 24 Eating utensils
- 24 Electrical breakdown
- 24 Electronic paper technology
- 24 Eyewear companies of the United States
- 24 General purpose machine guns
- 24 Heavy machine guns
- 24 Hewlett Packard products
- 24 History of artificial intelligence
- 24 History of software
- 24 Home automation
- 24 Images of bottles
- 24 Information appliances
- 24 Instruction set architectures
- 24 Interferometers
- 24 Luggage manufacturers
- 24 Microbiology equipment
- 24 Mobility devices
- 24 Netbooks
- 24 Primitive weapons
- 24 Projectors
- 24 Pulp and paper industry
- 24 Radio masts and towers in the United States
- 24 Ships of the Continental Navy
- 24 Solar cells
- 24 Solar energy companies of the United States
- 24 Spintronics
- 24 Sporting goods brands
- 24 Surface to air missiles of Russia
- 24 Torpedoes
- 24 Weapons of the Ottoman Empire
- 24 World War I artillery of Austria Hungary
- 24 World War II tank destroyers
- 24 World War I naval ships of Canada
- 250 Weapon stubs
- 25 1911 platform
- 25 1920s French bomber aircraft
- 25 1930s German bomber aircraft
- 25 1930s Italian bomber aircraft
- 25 1930s United States military trainer aircraft
- 25 1940s German bomber aircraft
- 252 Manhattan Project people
- 253 Atari 2600 games
- 25 Adhesive tape
- 25 Aerial operations and battles of World War I
- 25 Aircraft carriers
- 25 Animal equipment
- 25 Cameras introduced in 2015
- 25 Card magic
- 25 Christian reliquaries
- 25 Computational physics
- 25 Computer memory companies
- 25 Computer related introductions in 1996
- 25 Drinking glasses
- 25 Early British computers
- 25 Embedded Linux distributions
- 25 Equipment semiconductor companies
- 25 Film formats
- 25 Floppy disk based operating systems
- 25 FN Herstal firearms
- 25 Gesture recognition
- 25 Glass makers
- 25 Graphics chips
- 25 Graphing calculators
- 25 Grenade launchers
- 25 Home computer hardware companies
- 25 HP palmtops
- 25 Light emitting diodes
- 25 Log transport
- 25 Mains power connectors
- 25 Military equipment of the Vietnam War
- 25 Military robots
- 25 Photovoltaics manufacturers
- 25 Porcelain of France
- 25 Portable audio player manufacturers
- 25 Power tool manufacturers
- 25 Public observatories
- 25 Radiography
- 25 Radio masts and towers
- 25 Russo Japanese War naval ships of Japan
- 25 Search algorithms
- 25 Ships of the Finnish Navy
- 25 Short recoil firearms
- 25 Solar power
- 25 Spears
- 25 Sports equipment stubs
- 25 United States Army uniforms
- 25 Ventilation
- 25 Weapons of India
- 25 Weapons of mass destruction in fiction
- 25 Web services
- 25 World War II naval weapons
- 25 World War II vehicles of the United Kingdom
- 267 Camera stubs
- 267 Master System games
- 26 Abandoned military projects of the Soviet Union
- 26 Airliner accidents and incidents caused by instrument failure
- 26 Ancient pottery
- 26 Anti tank missiles of the Cold War
- 26 Anti tank weapons
- 26 Braids
- 26 Cancelled PC games
- 26 Coca Cola bottlers
- 26 Communications satellite stubs
- 26 Computer access control
- 26 Detectors
- 26 Dynamically typed programming languages
- 26 Electromagnetic components
- 26 Equipment of the United States Navy
- 26 German scientific instrument makers
- 26 Hard disk drives
- 26 Individual cranes (machines)
- 26 Intel products
- 26 Interstellar messages
- 26 IPad
- 26 Java development tools
- 26 Log flume rides
- 26 Luggage brands
- 26 Metalworking measuring instruments
- 26 MSX
- 26 Network topology
- 26 Palm OS games
- 26 People associated with solar power
- 26 Philips
- 26 Pneumatic weapons
- 26 Programming language topic stubs
- 26 Radiology
- 26 Soaps
- 26 Solar car racing
- 26 Telescope manufacturers
- 26 Text editors
- 26 Thermometers
- 26 Time capsules
- 26 Wi Fi
- 26 WonderSwan games
- 27 1950s United States fighter aircraft
- 27 21st century surface to air missiles
- 276 Comic book limited series
- 27 Ancient Roman pottery
- 27 Avionics companies
- 27 Ceramics manufacturers of France
- 27 Chip carriers
- 27 Cluster munition
- 27 Computer programming books
- 27 Computer programming stubs
- 27 Computer related introductions in 1986
- 27 Computer related introductions in 2011
- 27 Crimean War naval ships of France
- 27 Fictional computers
- 27 Free mobile software
- 27 Glass art stubs
- 27 Graphics processing units
- 27 Individual cannons
- 27 Kilns
- 27 Lithography (microfabrication)
- 27 Medieval armour stubs
- 27 Metalworking cutting tools
- 27 Military vehicles introduced in the 1910s
- 27 Naval sailing ship types
- 27 Naval weapons of the United States
- 27 PowerPC operating systems
- 27 Regionless game consoles
- 27 Ships of the Philippine Navy
- 27 Software bugs
- 27 Stained glass
- 27 Statically typed programming languages
- 27 Tents
- 27 Tractor manufacturers of the United States
- 27 Vehicle braking technologies
- 27 Weapons of Russia
- 27 Windows emulation software
- 27 World War II infantry weapons of the United Kingdom
- 27 World War II weapons of the United States
- 28 1940s British fighter aircraft
- 28 1940s United States military utility aircraft
- 284 IOS software
- 286 Android (operating system) software
- 286 Cross platform software
- 287 Pistol and rifle cartridges
- 28 Armored fighting vehicles of the United States
- 28 AROS software
- 28 Artillery components
- 28 Bridge digital cameras
- 28 British porcelain
- 28 Cluster computing
- 28 Computer keys
- 28 Computer related introductions in 1994
- 28 Computer related introductions in 2017
- 28 Computer vision software
- 28 Computer workstations
- 28 Data centers
- 28 Embedded microprocessors
- 28 Free mathematics software
- 28 Game equipment
- 28 Glass production
- 28 Glass trademarks and brands
- 28 Hospital ships in World War II
- 28 Intermodal containers
- 28 Java (programming language) libraries
- 28 Knights of the Round Table
- 28 Lace
- 28 Linux emulation software
- 28 Lists of military equipment
- 28 Lists of surviving military aircraft
- 28 Machine pistols
- 28 Metalworking hand tools
- 28 Military vehicles introduced in the 1960s
- 28 Movie cameras
- 28 Optimization algorithms and methods
- 28 Optoelectronics
- 28 Pens
- 28 Personal hygiene products
- 28 Pressure vessels
- 28 Procedural programming languages
- 28 RF connectors
- 28 Rimmed cartridges
- 28 Signal cables
- 28 Switches
- 28 World War II tank guns
- 29 1910s British military reconnaissance aircraft
- 29 1930s French fighter aircraft
- 29 1940s German fighter aircraft
- 294 Audiobook narrators
- 299 Smartphones
- 29 Active naval ships of Australia
- 29 Anti tank rockets
- 29 Apple Inc hardware
- 29 Apple Inc. hardware
- 29 Artillery operation
- 29 Beer vessels and serving
- 29 Coats of arms with arrows
- 29 Computer vision
- 29 Firearms
- 29 Food preparation appliances
- 29 Free emulation software
- 29 Glass compositions
- 29 Graph algorithms
- 29 Head badge
- 29 Mathematical tools
- 29 Microcomputers
- 29 Microphone manufacturers
- 29 Monorails
- 29 Network architecture
- 29 Numerical software
- 29 Phonograph manufacturers
- 29 Pocket PC software
- 29 Rebreathers
- 29 Researchers in distributed computing
- 29 Smart cards
- 29 Solar architecture
- 29 Sorting algorithms
- 29 Superscalar microprocessors
- 29 Symbian devices
- 29 Train protection systems
- 29 Vending machines
- 29 Weapons of the People's Republic of China
- 29 Wearable devices
- 29 Wind tunnels
- 29 X86 operating systems
- 30 1930s British bomber aircraft
- 30 Analog computers
- 30 Bookbinders
- 30 Cameras introduced in 2013
- 30 Card games for children
- 30 Computer hardware cooling
- 30 Computer programming
- 30 Computer related introductions in 2013
- 30 Dedicated consoles
- 30 Defunct astronomical observatories
- 30 Digital cameras
- 30 Eyewear brands of the United States
- 30 Filters
- 30 Gamma ray telescopes
- 30 Hammers
- 30 High level programming languages
- 30 Hunting equipment
- 30 Kitchen
- 30 Laser science
- 30 Lens manufacturers
- 30 MacOS programming tools
- 30 Major League Baseball uniforms
- 30 Military vehicles introduced in the 1950s
- 30 Naval ships of China
- 30 Non lethal weapons
- 30 Nuclear weapons of the United States
- 30 Oil terminals
- 30 Ovens
- 30 Philippine–American War ships of the United States
- 30 Pottery shapes
- 30 Programming tools for Windows
- 30 Ships of the Bangladesh Navy
- 30 Short stroke piston firearms
- 30 Sloops of the United Kingdom
- 30 Texas Instruments hardware
- 30 Text comics
- 31 100 mm artillery
- 314 Ships of the United States Coast Guard
- 318 MSX games
- 31 American art pottery
- 31 Amiga software
- 31 Astronomical observatories in Italy
- 31 BDSM equipment
- 31 Cameras introduced in 2014
- 31 Computer related introductions in 1984
- 31 Computer related introductions in 1999
- 31 Cookware and bakeware
- 31 Dice
- 31 Dimensional instruments
- 31 Dog equipment
- 31 Electrical signal connectors
- 31 Equipment of the United States Air Force
- 31 Eyewear
- 31 Hitachi
- 31 Incendiary weapons
- 31 Laser researchers
- 31 Luggage
- 31 Machine tools
- 31 Manufacturers of professional audio equipment
- 31 Military radio systems
- 31 Military trucks of the United Kingdom
- 31 Mobile Linux
- 31 Open source hardware
- 31 Postcard publishers
- 31 Prisms
- 31 Sungai Buloh Kajang Line
- 31 Superzoom cameras
- 31 Tableware
- 31 Wearable computers
- 31 World War II naval ships of the United Kingdom
- 32 120 film cameras
- 32 1920s United States fighter aircraft
- 32 1930s British fighter aircraft
- 32 1930s United States bomber aircraft
- 32 Abandoned military projects of the United Kingdom
- 32 Area denial weapons
- 32 Automatic identification and data capture
- 32 Ceremonial weapons
- 32 Chemical equipment
- 32 Cold War weapons of the United States
- 32 Computer related introductions in 1985
- 32 Computer related introductions in 1993
- 32 Ergonomics
- 32 Glass types
- 32 Guided missiles of Iran
- 32 National Hockey League uniforms
- 32 Oceanographic instrumentation
- 32 Packaging machinery
- 32 Projectional radiography
- 32 Real time operating systems
- 32 Remote desktop
- 32 Solid state computer storage media
- 32 Swimwear manufacturers
- 32 Tanks with autoloaders
- 32 Windows Mobile Professional devices
- 32 Women glass artists
- 32 World War II radars
- 32 World War II submachine guns
- 331 Dreamcast games
- 336 Ships of the Royal Canadian Navy
- 33 American Civil War artillery
- 33 Bend knots
- 33 Computer printers
- 33 Data synchronization
- 33 Defunct glassmaking companies
- 33 Dot com bubble
- 33 Forestry tools
- 33 Glass applications
- 33 History of the Manhattan Project
- 33 Home appliance manufacturers of the United States
- 33 Individual helmets
- 33 Infrared telescopes
- 33 Liquid containers
- 33 Mechanical calculators
- 33 Medium machine guns
- 33 Microphones
- 33 Military engineering vehicles
- 33 Multimodal interaction
- 33 Palm OS devices
- 33 Point of sale companies
- 33 Radio masts and towers in Poland
- 33 Railway guns
- 33 Residential heating appliances
- 33 Shields
- 33 Single board computers
- 33 Sound recording technology
- 33 Sporting goods retailers of the United States
- 33 Streaming media systems
- 33 Submarines
- 33 Tunnelling companies of the Royal Engineers
- 33 Widget toolkits
- 33 Wind turbines
- 33 World War II military equipment of the United Kingdom
- 34 1930s French military reconnaissance aircraft
- 345 United States naval ship stubs
- 34 Applications of computer vision
- 34 Athletic shoe brands
- 34 Bat stubs
- 34 Beechcraft aircraft
- 34 Biological weapons in popular culture
- 34 Computer related introductions in 2010
- 34 Handheld electronic games
- 34 Hand tools
- 34 History of computing
- 34 Holy Grail
- 34 Interbank networks
- 34 Internet architecture
- 34 Iran–Contra affair
- 34 Lenses
- 34 Medical ultrasonography
- 34 Mexican–American War ships of the United States
- 34 Military vehicles introduced in the 2000s
- 34 Postcard artists
- 34 Post–Cold War weapons of Germany
- 34 Rescue equipment
- 34 Satellite broadcasting
- 34 Sawmills
- 34 Screenshots of Amiga software
- 34 Submarine tenders
- 34 Weapons countermeasures
- 34 World War II radars
- 35 150 mm artillery
- 359 Nintendo 3DS eShop games
- 35 Acorn Computers
- 35 Aircraft radars
- 35 Audio amplifier manufacturers
- 35 Axes
- 35 Cameras by type
- 35 Cameras introduced in 2012
- 35 Chinese porcelain
- 35 Clock designs
- 35 Clock towers
- 35 Collections of the Victoria and Albert Museum
- 35 Computer hardware logos
- 35 Computer related introductions in 1995
- 35 Functional languages
- 35 Gas discharge lamps
- 35 Graphics libraries
- 35 Kelana Jaya Line
- 35 Knife attacks
- 35 Lachrymatory agents
- 35 Length, distance, or range measuring devices
- 35 Naval radars
- 35 Nuclear magnetic resonance
- 35 Patrol vessels
- 35 Shooting sports
- 35 Spectrometers
- 35 Spoons
- 35 Tool manufacturing companies of the United States
- 35 Valves
- 35 Visual programming languages
- 35 Weapons of mass destruction by country
- 36 1910s British bomber aircraft
- 36 1910s French fighter aircraft
- 36 Astronomical observatories in Chile
- 36 Broadband
- 36 Cloud computing
- 36 Commodore 64
- 36 Communications satellites
- 36 Computer related introductions in 2015
- 36 Grinding mills
- 36 History of computing in the United Kingdom
- 36 Medieval helmets
- 36 Metalworking tools
- 36 Microbiological media
- 36 Network protocols
- 36 Reconnaissance vehicles
- 36 Ships of the United States Navy
- 36 Solar telescopes
- 36 Unix software
- 36 World War II vehicles of the United States
- 37 1910s French military reconnaissance aircraft
- 37 1920s British bomber aircraft
- 37 68k architecture
- 378 Game Boy Color games
- 37 Brain–computer interfacing in fiction
- 37 Computer graphics professionals
- 37 Computer related introductions in 1983
- 37 Computer related introductions in 2014
- 37 Cutting tools
- 37 Fire service vehicles
- 37 Military computers
- 37 Military radars of the United Kingdom
- 37 Particle detectors
- 37 Radiocontrast agents
- 37 Raytheon Company products
- 37 Tape recording
- 37 Teaware
- 37 Telescope types
- 37 Typewriters
- 37 World War II American electronics
- 387 Atari 8 bit family games
- 38 Artillery of the United Kingdom
- 38 Coats of arms with spears
- 38 Computer arithmetic
- 38 Computer related introductions in 1997
- 38 Computer storage devices
- 38 Headphones manufacturers
- 38 HP subnotebooks
- 38 Instrument making corporations
- 38 Lighting brands
- 38 Logging railroads in the United States
- 38 Minicomputers
- 38 Mobile social software
- 38 Patrol vessels of the United States
- 38 Prehistoric toothed whales
- 38 Roll and move board games
- 38 Sound cards
- 38 Telephone exchange buildings
- 38 World War II British electronics
- 38 World War II weapons of France
- 39 1940s Soviet fighter aircraft
- 39 Arms control treaties
- 39 Biological weapons
- 39 Construction equipment
- 39 Cycle parts manufacturers
- 39 History of cryptography
- 39 History of human–computer interaction
- 39 Industrial equipment
- 39 Knife manufacturing companies
- 39 Microprocessors
- 39 Troop ships of the United States
- 39 Writing implements
- 40 1930s United States fighter aircraft
- 40 Ancient weapons
- 40 Atomic bombings of Hiroshima and Nagasaki
- 40 Classes of computers
- 40 Fleet of the Royal Canadian Navy
- 40 Land Rover vehicles
- 40 Laptops
- 40 Microsoft hardware
- 40 Mountain bike manufacturers
- 40 Radiopharmaceuticals
- 40 Royal Canadian Mounted Police
- 40 Samurai weapons and equipment
- 40 Sharp programmable calculators
- 40 Ships of the Japan Maritime Self Defense Force
- 40 Smartwatches
- 40 Sundials
- 40 Supercomputers
- 40 Surgical instruments
- 40 Wine packaging and storage
- 410 Apple II games
- 411 Apple II games
- 416 Mobile games
- 417 IOS games
- 41 Amiga
- 41 Bikinis
- 41 Browser based game websites
- 41 Cabinets (furniture)
- 41 Computer connectors
- 41 Decorative knots
- 41 Dental equipment
- 41 Disk operating systems
- 41 Drinkware stubs
- 41 DVD
- 41 Embedded operating systems
- 41 Exercise equipment
- 41 Firearm terminology
- 41 Gears
- 41 Industrial machine manufacturers
- 41 Kitchenware
- 41 Medieval armour
- 41 Meteorological stations
- 41 Motion picture film formats
- 41 Photographic lens designs
- 41 Proprietary operating systems
- 41 Stoves
- 41 Symbian software
- 41 Tiger handheld games
- 41 World War II weapons of Germany
- 42 1940s United States military transport aircraft
- 421 Windows games
- 422 Nintendo 3DS games
- 425 Linux games
- 42 68k Macintosh computers
- 42 American stained glass artists and manufacturers
- 42 Biomaterials
- 42 Black powder pistols
- 42 Compact disc
- 42 Computer security organizations
- 42 Electrical wiring
- 42 Embedded operating systems
- 42 Naval ships of Russia
- 42 Phablets
- 42 Photographic lenses
- 42 Trees (data structures)
- 43 152 mm artillery
- 43 1940s United States bomber aircraft
- 438 MacOS games
- 43 ArmaLite AR 10 derivatives
- 43 Australian naval ship stubs
- 43 Babycare
- 43 BlackBerry software
- 43 Chinese pottery
- 43 Films about telepresence
- 43 Food packaging
- 43 Iraq and weapons of mass destruction
- 43 Medical devices
- 43 Military radio systems of the United States
- 43 Papermaking
- 43 Russian and Soviet military radars
- 43 Solar thermal energy
- 43 Suicides by defenestration
- 43 Supercomputer sites
- 43 Unmanned military aircraft of the United States
- 44 120 mm artillery
- 442 PlayStation Vita games
- 44 American military uniforms
- 44 Cardiac electrophysiology
- 44 Crimean War naval ships of the United Kingdom
- 44 DEC hardware
- 44 Early revolvers
- 44 Emergency services equipment makers
- 44 Hammer and sickle
- 44 Hospital ships in World War I
- 44 Internet of things
- 44 KBP Instrument Design Bureau products
- 44 Locks (security device)
- 44 Magnetic resonance imaging
- 44 Military awards and decorations of the United States
- 44 Military equipment of the United States
- 44 Military vehicles introduced in the 1970s
- 44 Mobile computer stubs
- 44 Rockets and missiles
- 44 Ship of the line classes
- 44 Soft skinned vehicles
- 44 Stage lighting
- 44 War of 1812 ships of the United States
- 44 World War II naval ships
- 44 X ray telescopes
- 450 Amstrad CPC games
- 451 Amstrad CPC games
- 45 32 ACP semi automatic pistols
- 45 .32 ACP semi automatic pistols
- 453 Sega Saturn games
- 457 ZX Spectrum games
- 458 Nintendo Switch games
- 45 American Civil War weapons
- 45 Apple Inc software
- 45 Apple Inc. software
- 45 Art pottery
- 45 Authentication methods
- 45 Ceramics manufacturers of the United States
- 45 Cleaning tools
- 45 Electric transformers
- 45 Laser applications
- 45 Light fixtures
- 45 Microcontrollers
- 45 Microscopes
- 45 Mobile software stubs
- 45 Programming languages
- 45 Robotics
- 45 Royal Canadian Air Force squadrons
- 45 Screws
- 45 Transistorized computers
- 45 Vacuum tube computers
- 45 Weapons of China
- 45 Weapons of the Philippine Army
- 460 Arcade games
- 46 1920s French fighter aircraft
- 461 Atari ST games
- 464 Amiga games
- 466 Commodore 64 games
- 468 Game Boy Advance games
- 46 Arms control
- 46 Daggers
- 46 Electrical components
- 46 Field artillery
- 46 Guitar amplifier manufacturers
- 46 JavaScript libraries
- 46 Lists of military aircraft
- 46 Microscopes
- 46 Safety clothing
- 46 Semiconductor device fabrication
- 47 380 ACP semi automatic pistols
- 47 .380 ACP semi automatic pistols
- 475 Game Boy games
- 475 PlayStation 3 games
- 479 Sega Genesis games
- 47 Canadian Forces aircraft squadrons
- 47 Computer security
- 47 Computing input devices
- 47 Linkages (mechanical)
- 47 Military electronics of the United States
- 47 Military vehicles of the United States
- 47 Naval artillery
- 47 Physical restraint
- 47 Sharp pocket computers
- 47 Ships of the Royal Navy
- 47 Warning systems
- 480 Nintendo Entertainment System games
- 48 Aircraft squadrons of the Royal Air Force in World War II
- 48 Electric power systems components
- 48 Military electronics of the United States
- 48 Mobile computers
- 48 Neuroimaging
- 48 Paper art
- 48 Postcards
- 49 ARM operating systems
- 49 Bags (fashion)
- 49 Electrical connectors
- 49 Food storage containers
- 49 Law enforcement equipment
- 49 Non jamming knots
- 49 Pottery
- 49 Programming language researchers
- 49 Radio frequency identification
- 49 Ships of the Spanish Navy
- 49 Watches
- 50 105 mm artillery
- 50 Anti–nuclear weapons movement
- 50 Bookbinding
- 50 Cold War weapons of the Soviet Union
- 50 Computer security companies
- 50 Early firearms
- 50 Individual aircraft of World War II
- 50 Infantry weapons of the Cold War
- 50 Knowledge representation
- 50 Mobile operating systems
- 50 Networking hardware
- 50 Piping
- 51 76 mm artillery
- 51 Abandoned military rocket and missile projects of the United States
- 51 Dice games
- 51 Firearm actions
- 51 Gardening tools
- 51 Heating, ventilation, and air conditioning companies
- 51 Light machine guns
- 51 Playing cards
- 51 Types of pottery decoration
- 52 1920s British fighter aircraft
- 52 Artillery of Finland
- 52 Balls
- 52 Bottles
- 52 Computer memory
- 52 Computer peripherals
- 52 C (programming language) libraries
- 52 Deaths by blade weapons
- 52 Kalashnikov derivatives
- 52 Medical equipment stubs
- 52 Mobile phones
- 52 Rugs and carpets
- 52 Ships of the Imperial Russian Navy
- 52 Sports equipment
- 52 Web development software
- 53 British Army equipment
- 53 Cloud storage
- 53 Digital signal processing
- 53 Free software operating systems
- 53 Home computer magazines
- 53 Military vehicle manufacturers
- 53 User interfaces
- 54 Artillery tractors
- 54 Loop knots
- 54 Mechanisms (engineering)
- 54 National Football League uniforms
- 54 Personal digital assistants
- 54 Saws
- 54 Telecommunications equipment vendors
- 54 World War II machine guns
- 55 ARM architecture
- 55 Armoured fighting vehicles of the post–Cold War period
- 55 Cancelled military aircraft projects of the United Kingdom
- 55 Computer storage companies
- 55 Microcomputer software
- 55 Nuclear weapons
- 55 Tunnel warfare in World War I
- 56 1910s German bomber aircraft
- 56 Aircraft guns
- 56 Application programming interfaces
- 56 Auxiliary cruisers of the Royal Navy
- 56 Lens mounts
- 57 Aircraft instruments
- 57 Historical scientific instruments
- 57 Interferometric telescopes
- 57 Numerical analysis
- 57 Telescopes
- 57 Weapons of Indonesia
- 58 Android (operating system)
- 58 Electric motors
- 58 Portable computers
- 58 World War II naval ships of Japan
- 59 Abandoned military aircraft projects of the Soviet Union
- 59 Digital television
- 59 Early microcomputers
- 59 Telephony equipment
- 60 1910s British fighter aircraft
- 60 45 ACP semi automatic pistols
- 60 .45 ACP semi automatic pistols
- 60 75 mm artillery
- 60 Atari 5200 games
- 60 British scientific instrument makers
- 60 Cardiac arrhythmia
- 60 Cooking vessels
- 60 Cryptographic software
- 60 Loudspeaker manufacturers
- 60 Mobile applications
- 60 Spacecraft instruments
- 60 Stationery
- 60 Weather ships
- 60 Western plate armour
- 60 Z80 based home computers
- 61 Mirrors
- 61 Missile defense
- 61 Radio masts and towers in Germany
- 62 1910s German military reconnaissance aircraft
- 62 Body armor
- 62 Computer hardware companies
- 62 Display technology companies
- 62 Flour mills in the United States
- 62 Lime kilns in the United States
- 62 Major League Baseball logos
- 62 Minor planet discovering observatories
- 62 Missile defense
- 62 Naval ships of Japan
- 62 Training ships
- 63 1940s United States fighter aircraft
- 63 Card game stubs
- 63 History of glass
- 63 Human–computer interaction
- 63 Loudspeakers
- 63 Photographic chemicals
- 63 Web developers
- 64 Cameras
- 64 Cosmetics
- 64 Fabless semiconductor companies
- 64 Human–computer interaction researchers
- 64 Machine tool builders
- 64 Rheinmetall
- 64 Satellite television
- 65 British stained glass artists and manufacturers
- 65 Coats of arms with swords
- 65 Drug delivery devices
- 65 Electrophysiology
- 65 Gulf War ships of the United States
- 65 Internet television
- 65 Microcomputer stubs
- 65 Mobile phones with user replaceable battery
- 66 Avionics
- 66 Camping equipment
- 66 Discontinued operating systems
- 66 Hitch knots
- 66 Home appliance brands
- 66 Kitchenware brands
- 66 Military vehicles introduced in the 1930s
- 66 Parallel computing
- 66 United States military helicopters
- 67 Abandoned military aircraft projects of Germany
- 67 Networking hardware companies
- 67 Personal care brands
- 67 Toilets
- 68 155 mm artillery
- 68 3D imaging
- 68 Computer buses
- 68 Embedded systems
- 68 Falklands War naval ships of the United Kingdom
- 68 Handheld game consoles
- 68 Integrated circuits
- 68 Integrated development environments
- 68 Japan naval ship stubs
- 68 Military camouflage
- 68 Military trucks of the United States
- 68 Photovoltaics
- 68 Video cards
- 68 Weather satellites of the United States
- 69 Global Positioning System
- 69 Knives
- 69 Laboratory glassware
- 69 Programming language designers
- 69 Protective gear
- 69 Types of lamp
- 69 United States Marine Corps equipment
- 70 Artillery of France
- 70 Engineering vehicles
- 70 Medical imaging
- 70 Woodworking hand tools
- 7 127 mm artillery
- 7 138 mm artillery
- 7 1920s British patrol aircraft
- 7 1920s United States attack aircraft
- 7 1930s British military transport aircraft
- 7 1930s French military utility aircraft
- 7 1930s Italian military trainer aircraft
- 7 1930s Polish fighter aircraft
- 7 1940s British anti submarine aircraft
- 7 1940s Japanese military transport aircraft
- 7 1940s Soviet attack aircraft
- 7 1940s Soviet military utility aircraft
- 7 1950s Soviet military transport aircraft
- 7 1960s United States military utility aircraft
- 7 1970s United States fighter aircraft
- 7 1980s Soviet fighter aircraft
- 71 Cooking appliances
- 71 Radio masts and towers in Europe
- 71 Sensors
- 71 Victorian era weapons of the United Kingdom
- 7 2016 in computing
- 7 2017 in computing
- 7 20th century surface to air missiles
- 72 History of computing hardware
- 72 Mechanical hand tools
- 72 One of a kind computers
- 7 38 Super semi automatic pistols
- 7 .38 Super semi automatic pistols
- 74 Tools
- 75 Domestic implements
- 75 USB
- 75 Windpumps in the Netherlands
- 76 Astronomical instruments
- 76 Defunct computer hardware companies
- 76 Firefighting equipment
- 76 Free computer libraries
- 76 History of the Internet
- 76 Submarine stubs
- 77 Abandoned military projects of the United States
- 77 Bottled water brands
- 77 United States military badges
- 7 8 bit computers
- 78 Mobile phones with an integrated hardware keyboard
- 7 90 mm artillery
- 79 Plumbing
- 79 Portable media players
- 79 Safety equipment
- 79 Sportswear
- 79 Troop ships of the United Kingdom
- 79 Women potters
- 7 Abandoned military aircraft projects of Switzerland
- 7 Active frigates
- 7 Active naval ships of Sweden
- 7 Advanced RISC Computing
- 7 Age of Sail naval ships
- 7 Age of Sail naval ships of Sweden
- 7 Aircraft squadrons of the United States Navy
- 7 Amateur radio receivers
- 7 Amusement arcades
- 7 Ancient astronomical observatories
- 7 Ancient Roman military clothing
- 7 Anti submarine helicopters
- 7 Anti tank missiles of France
- 7 API blowback firearms
- 7 Aquaria in China
- 7 Aquaria in Germany
- 7 ARM based home computers
- 7 Armoured fighting vehicles of Italy
- 7 Armoured fighting vehicles of Poland
- 7 Armoured fighting vehicle vision and sighting equipment
- 7 Armoured vehicles
- 7 Arrays
- 7 Arsenal Plant (Saint Petersburg) products
- 7 Artillery of Russia
- 7 Astronomical clocks in France
- 7 Astronomical observatories in Denmark
- 7 Atari ST magazines
- 7 AT Attachment
- 7 Attack units and formations of the United States Air Force
- 7 Audio equipment manufacturers of Canada
- 7 Audio equipment manufacturers of Denmark
- 7 Automated teller machines
- 7 Auxiliary cruisers of the Imperial Japanese Navy
- 7 Bats
- 7 Battle rifles
- 7 Boxer Rebellion naval ships of the United States
- 7 Brazing and soldering
- 7 Cabinetmakers
- 7 Camera lenses introduced in 2010
- 7 Cameras introduced in 2004
- 7 CAM ships
- 7 Canadian military insignia
- 7 Casio programmable calculators
- 7 Ceramics manufacturers of Japan
- 7 Ceramics manufacturers of the Netherlands
- 7 Ceremonial maces
- 7 Chemical reactors
- 7 Chiroptera borne diseases
- 7 Chisels
- 7 Clocks in Germany
- 7 Coats of arms with cannons
- 7 Cold War military equipment of the United States
- 7 Cold War weapons of Japan
- 7 Communications satellites of the United States
- 7 Computational notebook
- 7 Computational statistics
- 7 Computer data storage
- 7 Computer related introductions in 1945
- 7 Computer related introductions in 1950
- 7 Computing by computer model
- 7 Container deposit legislation
- 7 Correction instruments
- 7 Corvettes of France
- 7 Crankshafts
- 7 Cray
- 7 Crockery
- 7 Cruise missiles of Russia
- 7 Cruisers of Germany
- 7 Crystallophones
- 7 Dance equipment
- 7 Dance shoes
- 7 Data General
- 7 Debugging
- 7 Decoy missiles of the United States
- 7 Dependently typed languages
- 7 Deuterated solvents
- 7 Digital forensics software
- 7 Directed energy weapon of the United States
- 7 Discontinued development tools
- 7 Discoveries by the Palomar–Leiden survey
- 7 Discoveries using the Hubble Space Telescope
- 7 Double telescopes
- 7 Dryers
- 7 Dry fly patterns
- 7 Educational devices
- 7 Electronic filter topology
- 7 Electronic intelligence ships
- 7 Electronic warfare units and formations
- 7 Embroidery equipment
- 7 Escort ship classes
- 7 Ethernet cables
- 7 Experimental rockets
- 7 Fellows of ASHRAE
- 7 Ferranti computers
- 7 Fictional armoured fighting vehicles
- 7 Fictional axe fighters
- 7 Fictional firearms
- 7 Fictional military vehicles
- 7 Field effect transistors
- 7 Figurine manufacturers
- 7 Firefox OS software
- 7 Fire support bases
- 7 Fleets of the Imperial Japanese Navy
- 7 Flour mills in Australia
- 7 Foreign Military Sales
- 7 Forks
- 7 French pottery
- 7 Frigates
- 7 Frigates of South Korea
- 7 Frigates of Sweden
- 7 Gaelic football
- 7 Gas masks of the United Kingdom
- 7 Gas sensors
- 7 German pottery
- 7 Glass buildings
- 7 Goggles
- 7 Government by algorithm
- 7 Greenhouses in Canada
- 7 Guided missiles of Israel
- 7 Gunships
- 7 Haiku (operating system)
- 7 Home appliance manufacturers of India
- 7 Home servers
- 7 Horseshoes
- 7 HP LaserJet printers
- 7 Hurling
- 7 IBM server computers
- 7 Indian swords
- 7 Individual instruments of torture
- 7 Individual shields
- 7 Instruments of torture
- 7 International Computers Limited
- 7 Interoperability
- 7 Inverters
- 7 Iron Ore Line
- 7 James Webb Space Telescope
- 7 Japanese biological weapons program
- 7 KBO League uniforms
- 7 Konica cameras
- 7 Land mines of Italy
- 7 Laser art
- 7 Laser image generation
- 7 Laser types
- 7 Laservision
- 7 Lawn mowers
- 7 Lists of microprocessors
- 7 Lists of mobile phones
- 7 Lists of operating systems
- 7 Logitech
- 7 Loitering munition
- 7 Mainframe computer stubs
- 7 Maritime patrol aircraft units and formations
- 7 Media servers
- 7 Medical transport devices
- 7 Medicine storage containers
- 7 Military engineering vehicles of the United Kingdom
- 7 Military equipment of Estonia
- 7 Military equipment of Indonesia
- 7 Military equipment of Russia
- 7 Military equipment of the American Civil War
- 7 Military radars
- 7 Military radars of India
- 7 Military trucks of Finland
- 7 Military vehicles of Poland
- 7 Mining railways in Australia
- 7 Minolta lenses
- 7 Modern incendiary weapons of Russia
- 7 Monodontidae
- 7 Motor lifeboats of the United States
- 7 Naval ships of India
- 7 NEC personal computers
- 7 NEC supercomputers
- 7 Nikon lenses
- 7 Non lethal firearms
- 7 Novell NetWare
- 7 Office supply retailers of the United States
- 7 Optical bombsights
- 7 Orthopedic braces
- 7 OTO Melara
- 7 Pagers
- 7 Panhard military vehicles
- 7 Personal cameras and photography in space
- 7 Photographic emulsion codes
- 7 Photographic lenses by brand
- 7 PlayStation 2
- 7 Position sensors
- 7 Post–Cold War military equipment of Japan
- 7 Post–Cold War weapons of Iran
- 7 Post–Cold War weapons of Japan
- 7 Power tools
- 7 Press tools
- 7 Printing and writing paper
- 7 Profilers
- 7 Pseudorandom number generators
- 7 Q ships of the Royal Navy
- 7 Q ships of the United States Navy
- 7 Radiofrequency receivers
- 7 RAID
- 7 Razor brands
- 7 RCA
- 7 Real time computing
- 7 Reins
- 7 Respiratory system imaging
- 7 Robert D Conrad class oceanographic research ships
- 7 Robert D. Conrad class oceanographic research ships
- 7 Robotic exoskeletons
- 7 Robotic vacuum cleaners
- 7 Rocket weapons of the United States
- 7 Roketsan products
- 7 Ropewalks
- 7 Safety valves
- 7 Samurai clothing
- 7 Samurai pole weapons
- 7 SDRAM
- 7 Seat belts
- 7 Self propelled artillery of Serbia
- 7 Semi auto magnum pistols
- 7 Serial ATA
- 7 SES satellites
- 7 Shading languages
- 7 Ships of the Peruvian Navy
- 7 Ships of the Royal Norwegian Navy
- 7 Siegfried class coastal defense ships
- 7 Sigma lenses
- 7 SIMD computing
- 7 Software frameworks
- 7 Software localization tools
- 7 Solar energy companies of India
- 7 Solar energy in California
- 7 Solar power and space
- 7 Solar power in Israel
- 7 Solar power in the United States
- 7 Solar sail spacecraft
- 7 Songs about clocks
- 7 Sony hardware
- 7 Spam filtering
- 7 Sporting goods manufacturers of Germany
- 7 Staples Inc
- 7 Staples Inc.
- 7 Stereo cameras
- 7 Storage Area Network companies
- 7 Storage software
- 7 Strategic Defense Initiative
- 7 String data structures
- 7 Submachine guns of Poland
- 7 Submarines of Austria Hungary
- 7 Sungai Buloh Serdang Putrajaya Line
- 7 Sun Microsystems hardware
- 7 Surface to air missiles of Japan
- 7 Symbian instant messaging clients
- 7 Tablet computers introduced in 2010
- 7 Target missiles
- 7 Taser
- 7 Telescopes under construction
- 7 Telstar satellites
- 7 Thin film cells
- 7 Throwing axes
- 7 Tool manufacturing companies of the United Kingdom
- 7 Toothed whales
- 7 Trial and research tanks
- 7 Uncanny valley
- 7 United Kingdom chemical weapons program
- 7 Unit testing frameworks
- 7 UNIVAC unit record equipment
- 7 Unmanned military aircraft of Russia
- 7 Variable word length computers
- 7 VESA
- 7 Volgograd Tractor Plant products
- 7 Weapons and ammunition introduced in 1996
- 7 Weapons and ammunition introduced in 1997
- 7 Weapons of Israel
- 7 Whirlpool Corporation brands
- 7 Whitin Observatory
- 7 Wii U
- 7 Window based operating systems
- 7 Window manufacturers
- 7 Wireless access points
- 7 Woodworking clamps
- 7 World War II mortars
- 7 World War II naval ships of China
- 7 World War II vehicles of the Soviet Union
- 7 World War I military equipment of the United Kingdom
- 7 World War I monitors
- 7 World War I naval ships of France
- 7 World War I submachine guns
- 7 World War I tanks of the United States
- 7 Xbox 360 software
- 7 Xbox
- 80 Office equipment
- 80 Second Sino Japanese War naval ships of Japan
- 80 Serving and dining
- 80 Sony Ericsson mobile phones
- 8 107 mm artillery
- 8 130 mm artillery
- 8 1910s Austro Hungarian fighter aircraft
- 8 1910s German military trainer aircraft
- 8 1910s German patrol aircraft
- 8 1910s Russian military reconnaissance aircraft
- 8 1920s Dutch military reconnaissance aircraft
- 8 1920s Italian military reconnaissance aircraft
- 8 1920s United States patrol aircraft
- 8 1930s British patrol aircraft
- 8 1930s Polish military reconnaissance aircraft
- 8 1930s Polish military utility aircraft
- 8 1950s Italian military trainer aircraft
- 8 1950s United States military reconnaissance aircraft
- 8 1950s United States military trainer aircraft
- 81 9mm Parabellum submachine guns
- 81 Atari Lynx games
- 81 Fishing equipment
- 81 Implants (medicine)
- 8 254 mm artillery
- 82 Discontinued software
- 82 DOS files
- 82 Military insignia
- 8 32 bit computers
- 83 Bags
- 83 Boeing military aircraft
- 8 3D nuclear medical imaging
- 83 Mobile software
- 83 Personal computers
- 83 Troop ships
- 84 Meteorological instrumentation and equipment
- 84 Navigational equipment
- 84 Tractors
- 85 Cooling technology
- 85 Home computers
- 85 Paper products
- 85 Unmanned aerial vehicles of the United States
- 8 6809 based home computers
- 86 Pumps
- 86 Signal processing
- 87 Semi automatic pistols of the United States
- 8 8086 based home computers
- 8 82 mm artillery
- 8 88 mm artillery
- 88 Home video game consoles
- 88 Knot stubs
- 88 Telecommunications equipment
- 89 Free and open source Android software
- 89 Internet pioneers
- 89 LG Electronics mobile phones
- 89 PlayStation 5 games
- 8 Active naval ships of the Republic of Ireland
- 8 Advanced Micro Devices microarchitectures
- 8 Advertising publications by format
- 8 Airborne tanks
- 8 Aircraft squadrons of the United States Air Force in the Korean War
- 8 Air filters
- 8 Airport lighting
- 8 Air to air missiles of Russia
- 8 Amiga magazines
- 8 Amphibious warfare vessels of Japan
- 8 Ancient Roman musical instruments
- 8 Anthrax
- 8 Anti radiation missiles
- 8 Aquaria in Canada
- 8 Aquaria in Spain
- 8 Armoured fighting vehicles
- 8 Armoured fighting vehicles of Czechoslovakia
- 8 Artillery units and formations
- 8 Asian armour
- 8 Astronomical clocks in the United Kingdom
- 8 Astronomical observatories in Brazil
- 8 Audiobooks
- 8 Audio libraries
- 8 Australian military uniforms
- 8 Auxiliary cruisers of the Kriegsmarine
- 8 Ballistic vests
- 8 Barrett firearms
- 8 Bayonets of the United States
- 8 Bazalt products
- 8 Beer glassware
- 8 BeOS
- 8 Bicycle drivetrains
- 8 Bioreactors
- 8 Books about Perl
- 8 Breast imaging
- 8 Camera lenses introduced in 2014
- 8 Camera maintenance
- 8 Cameras introduced in 2002
- 8 Canadian defence procurement
- 8 CER computers
- 8 Checksum algorithms
- 8 Chess sets
- 8 Cold War military equipment of Japan
- 8 Combat helmets of the United Kingdom
- 8 Command vehicles
- 8 Commodore VIC 20
- 8 Compaq laptops
- 8 Computer error messages
- 8 Computer hardware
- 8 Computer related introductions in 1958
- 8 Computer storage buses
- 8 Construction equipment manufacturers of Japan
- 8 Control Data mainframe computers
- 8 Convertible laptops
- 8 Cruisers
- 8 Cue sports equipment manufacturers
- 8 Decimal computers
- 8 Defunct planetaria
- 8 Dell hardware
- 8 Digital Equipment Corporation
- 8 Discoveries by the Palomar Observatory
- 8 Dump trucks
- 8 Dutch stained glass artists and manufacturers
- 8 Educational operating systems
- 8 Electronic warfare equipment
- 8 Fastening tool manufacturers
- 8 Feature detection (computer vision)
- 8 Fictional submarines
- 8 Fighter aircraft units and formations
- 8 Firefighter tools
- 8 Flechette firearms
- 8 Flying disc
- 8 Free server software
- 8 Galvanometers
- 8 Game console operating systems
- 8 Gas filled tubes
- 8 Geometric data structures
- 8 Golf equipment
- 8 Hammer mills
- 8 Hardware bugs
- 8 Hardware virtualization
- 8 Harvard Computers
- 8 Home appliance manufacturers of China
- 8 Home appliance manufacturers of the United Kingdom
- 8 Hub gears
- 8 IBM printers
- 8 Individual issues of comic series
- 8 Intellivision
- 8 IRobot
- 8 Islamic pottery
- 8 Izhevsk machine building plant products
- 8 Japanese kitchen knives
- 8 John Deere vehicles
- 8 Juniper Networks
- 8 Kirov Plant products
- 8 Komatsu Limited
- 8 Land active protection systems
- 8 Land mines of Yugoslavia
- 8 Land Rover
- 8 LED lamps
- 8 Library equipment
- 8 Lime kilns in Canada
- 8 Lists of computer hardware
- 8 Machine guns of Czechoslovakia
- 8 Machine guns of Poland
- 8 Machine learning algorithms
- 8 Macintosh platform
- 8 Magnifiers
- 8 Mercedes Benz G Class
- 8 Military airships of World War I
- 8 Military equipment of India
- 8 Military vehicles of India
- 8 Missile operation
- 8 Mobile phones with infrared transmitter
- 8 MorphOS
- 8 Mounted police
- 8 Naval ships of Imperial China
- 8 NEC printers
- 8 Nettop
- 8 NPO Mashinostroyeniya products
- 8 Nuclear medicine organizations
- 8 Nuclear war and weapons in popular culture
- 8 Nuclear weapons of the United Kingdom
- 8 Numerical libraries
- 8 Oculus Rift
- 8 Onboard computers
- 8 Operating system APIs
- 8 Optical imaging
- 8 Packaging (microfabrication)
- 8 Panoramic cameras
- 8 Parasites of bats
- 8 Pascal (programming language) libraries
- 8 Planar transmission lines
- 8 Planetaria in Canada
- 8 Planetaria in Japan
- 8 PlayStation 3 software
- 8 PlayStation Portable
- 8 Polaroid cameras
- 8 Porcelain of the United States
- 8 PowerPC implementations
- 8 Programming languages with an ISO standard
- 8 Programming language topics
- 8 Reconnaissance aircraft
- 8 Reconnaissance vehicles of the United Kingdom
- 8 Record collecting
- 8 Renaissance era swords
- 8 Responsive web design
- 8 Roman armour
- 8 Routing algorithms
- 8 Routing software
- 8 Ruger semi automatic pistols
- 8 Russian fleets
- 8 Screenshots of ZX Spectrum software
- 8 Self propelled artillery of Iran
- 8 Semi automatic pistols of France
- 8 Semi automatic pistols of Italy
- 8 Semi automatic pistols of the Soviet Union
- 8 Ships of the South African Navy
- 8 Shipyard cranes
- 8 Siding Spring Observatory
- 8 Smart grid
- 8 Smart TV
- 8 Software related to embedded Linux
- 8 Stationers of the United Kingdom
- 8 Strategic bombers
- 8 Streamer patterns
- 8 Submachine guns of Germany
- 8 Submarine rescue equipment
- 8 Submarines of the United States
- 8 Subminiature cameras
- 8 Target drones
- 8 Tarot card games
- 8 Telecommunications equipment of the Cold War
- 8 Television guided weapons
- 8 Television shows about weaponry
- 8 The Matrix (franchise)
- 8 Throwing clubs
- 8 Tracked military vehicles
- 8 Tractor manufacturers of Germany
- 8 Turret clocks
- 8 Typing
- 8 UEFA European Championship balls
- 8 Unmanned military aircraft
- 8 Unmanned military aircraft of Turkey
- 8 Vacuum cleaners
- 8 Vacuum flasks
- 8 Vaporware game consoles
- 8 Venetian glass
- 8 Victorian era gunboats
- 8 Video recording software
- 8 Votkinsk Machine Building Plant products
- 8 Wall anchors
- 8 Water sports equipment manufacturers
- 8 Weapon guidance
- 8 Weapons and ammunition introduced in 1941
- 8 Weapons and ammunition introduced in 1961
- 8 Weapons of Spain
- 8 WebOS
- 8 Western Electric telephones
- 8 Whitespace
- 8 Wii
- 8 Windpumps in the United Kingdom
- 8 Women radiologists
- 8 Woodworking jigs
- 8 World War II aircraft of the United States
- 8 World War II military equipment of Argentina
- 8 World War II naval ships of Finland
- 8 World War II naval ships of Romania
- 8 World War I naval weapons
- 8 World War I vehicles of the United Kingdom
- 8 X86 based game consoles
- 8 Xbox One
- 8 Xerox computers
- 8 X ray spectroscopy
- 8 Yamaha music products
- 8 Yellow pages
- 90 Firearm components
- 90 Operating system distributions bootable from read only media
- 90 Optical telescopes
- 90 Planetaria in the United States
- 91 1910s German fighter aircraft
- 9 1910s Italian bomber aircraft
- 9 1910s United States patrol aircraft
- 9 1920s Czechoslovakian military reconnaissance aircraft
- 9 1930s French military trainer aircraft
- 9 1930s German military transport aircraft
- 9 1930s Japanese military trainer aircraft
- 9 1930s Polish military trainer aircraft
- 9 1940s Japanese bomber aircraft
- 9 1940s United States patrol aircraft
- 91 Ammunition
- 91 Computer programmers
- 91 IBM PC compatibles
- 93 135 film cameras
- 93 HTC mobile phones
- 93 Image processing
- 94 Communications satellites in geostationary orbit
- 94 IOS
- 95 Military helicopters
- 95 Stadia games
- 96 Food preparation utensils
- 96 Royal Flying Corps squadrons
- 97 Kitchenware stubs
- 98 Audio equipment manufacturers of the United States
- 9 Aerial bombs of the United States
- 9 Airborne military robots
- 9 Air to air missiles of the United Kingdom
- 9 Air to ground rockets
- 9 Alarms
- 9 Alchemical tools
- 9 Amazon (company) hardware
- 9 Ambient intelligence
- 9 Amiga development software
- 9 Ancient Greek helmets
- 9 Ancient helmets
- 9 Anti personnel weapons
- 9 Apple II computers
- 9 Aquaria in France
- 9 Armoured fighting vehicles of Canada
- 9 Arms control people
- 9 Artillery
- 9 Artillery of China
- 9 Audiobook companies and organizations
- 9 Auxiliary cruisers
- 9 Auxiliary ships
- 9 Ballistic missiles of India
- 9 Balloon borne telescopes
- 9 Bat taxonomy
- 9 Bayonets
- 9 Beekeeping tools
- 9 Bicycle framebuilders
- 9 Bicycle wheels
- 9 Biological toxin weapons
- 9 Bird observatories
- 9 Book formats
- 9 Broadcom
- 9 Cameras introduced in 2009
- 9 Canadian military uniforms
- 9 Card tricks
- 9 Ceramics manufacturers of Denmark
- 9 Ceramics manufacturers of Italy
- 9 Cisco Systems
- 9 Clamps (tool)
- 9 CNC
- 9 Comic strips
- 9 Compact Disc player manufacturers
- 9 Computer enclosure
- 9 Computer keyboards
- 9 Computer related introductions in 1959
- 9 Computer related introductions in 1964
- 9 Computer related introductions in 1974
- 9 Contents of the Voyager Golden Record
- 9 CPU sockets
- 9 Cromemco
- 9 Cyborgs in fiction
- 9 Cyborgs
- 9 Daisy wheel printers
- 9 Decompression accidents and incidents
- 9 Delayed blowback firearms
- 9 Dell laptops
- 9 Destroyers of Iran
- 9 Discoveries by MLS
- 9 Discoveries by NEAT
- 9 Disk image emulators
- 9 Diving equipment manufacturers
- 9 Domestic robots
- 9 Double knots
- 9 Drone warfare
- 9 DVD rippers
- 9 Earth observation satellite sensors
- 9 Electronic countermeasures
- 9 Electrophysiologists
- 9 Emergency Alert System
- 9 Epicyclical gearing
- 9 Etruscan ceramics
- 9 Evaporators
- 9 Extensible syntax programming languages
- 9 Eyewear brands of Italy
- 9 Fiber to the premises
- 9 Firearm safety
- 9 Firearm training
- 9 Flash mounts
- 9 Flexi discs
- 9 Flynn's taxonomy
- 9 Formula editors
- 9 Free boot loaders
- 9 German cameras
- 9 Germanic weapons
- 9 Google Maps
- 9 Graph data structures
- 9 Graphics microarchitectures
- 9 Greek shields
- 9 Grenades
- 9 Guitar pickups
- 9 Gyroscopes
- 9 Hydraulic tools
- 9 IBM 1400 series
- 9 IBM computers
- 9 IBM computer terminals
- 9 Indian pottery
- 9 INSAT satellites
- 9 Irish stained glass artists and manufacturers
- 9 JBL
- 9 Kitchen knife brands
- 9 KrAZ vehicles
- 9 Ladders
- 9 Linux drivers
- 9 Lists of weapons
- 9 Load testing tools
- 9 Luxottica
- 9 Machine guns of the United Kingdom
- 9 Machine vision
- 9 Magazines (firearms)
- 9 Martin Baker ejection seats
- 9 Massage devices
- 9 Massively parallel computers
- 9 Medical device manufacturers
- 9 Medical dressings
- 9 Medical masks
- 9 Melee weapons
- 9 Middle Eastern swords
- 9 Military equipment of antiquity
- 9 Military equipment of the Soviet Union
- 9 Military sensor technology
- 9 Minicomputer stubs
- 9 MIPS implementations
- 9 Mortars
- 9 National cyber security centres
- 9 Naval ships of the Ottoman Empire in the Balkan Wars
- 9 Naval trawlers
- 9 Naval weapons
- 9 Neon artists
- 9 Nizhny Novgorod Machine building Plant products
- 9 Nokia platforms
- 9 Nortel products
- 9 Object oriented operating systems
- 9 Object recognition and categorization
- 9 Office supply companies of the United States
- 9 Open source software hosting facilities
- 9 Orthopedic implants
- 9 Palm OS software
- 9 Paper recycling
- 9 Paris Observatory
- 9 Photocomics
- 9 Pillows
- 9 Playing card decks
- 9 Pliers
- 9 Portable audio players
- 9 Post–Cold War military equipment of the United States
- 9 Proposed weapons of the United States
- 9 Railway weapons
- 9 Reconnaissance vehicles of World War II
- 9 Regulation of medical devices
- 9 Revolvers of the United Kingdom
- 9 Riot guns
- 9 Rollei cameras
- 9 Samurai swords
- 9 Satellite navigation software
- 9 Screenshots of Palm OS software
- 9 Sculptures by Dale Chihuly
- 9 Semi automatic pistols of Austria
- 9 Service oriented (business computing)
- 9 Sharpening
- 9 Ships of the Free French Naval Forces
- 9 Sinclair computers and derivatives
- 9 Single serve containers
- 9 Software defined radio
- 9 Solar power by country
- 9 Solid state lasers
- 9 Source to source compilers
- 9 Soviet military uniforms
- 9 Soviet photographic lenses
- 9 Spanish–American War ships of the United States
- 9 Speed sensors
- 9 Sports gloves
- 9 Sri Lanka Air Force aircraft squadrons
- 9 String figures
- 9 Submachine guns of Russia
- 9 Sun Microsystems
- 9 Surface to surface missiles of Iran
- 9 Synchronous Meteorological Satellites
- 9 Teargas grenade guns
- 9 Telecommunication equipment companies of China
- 9 Telepresence in fiction
- 9 Thermocouples
- 9 Thin film cell manufacturers
- 9 Timers
- 9 Time sharing operating systems
- 9 Tractor manufacturers of India
- 9 Traditional Korean weapons
- 9 Troop ships of Germany
- 9 TRS 80
- 9 Ultrabooks
- 9 United Football League (2009–2012) uniforms
- 9 United States Marine Corps projects
- 9 Unmanned military aircraft of the United Kingdom
- 9 Vending
- 9 Water clocks
- 9 Weapon history
- 9 Weapon Locating Radar
- 9 Weapons and ammunition installations of the United States Navy
- 9 Weapons and ammunition introduced in 2009
- 9 Web browsers for AmigaOS
- 9 Winchester Repeating Arms Company firearms
- 9 World War I chemical weapons
- 9 World War II military equipment of Germany
- 9 World War II naval ships of Yugoslavia
- 9 World War II vehicles of Italy
- 9 ZX Spectrum software
- Equipment
- map:Equipment