Powder millW
Powder mill
Ballincollig Royal Gunpowder MillsW
Ballincollig Royal Gunpowder Mills
California Powder WorksW
California Powder Works
Confederate PowderworksW
Confederate Powderworks
Eleutherian MillsW
Eleutherian Mills
Faversham explosives industryW
Faversham explosives industry
Hazard Powder CompanyW
Hazard Powder Company
Laflin & Rand Powder CompanyW
Laflin & Rand Powder Company
Littleton gunpowder worksW
Littleton gunpowder works
Low Wood Gunpowder WorksW
Low Wood Gunpowder Works
Peters Cartridge CompanyW
Peters Cartridge Company
Poudrerie nationale de VongesW
Poudrerie nationale de Vonges
Gunpowder magazineW
Gunpowder magazine
River KentW
River Kent
Waltham Abbey Royal Gunpowder MillsW
Waltham Abbey Royal Gunpowder Mills
Wamesit Canal-Whipple Mill Industrial ComplexW
Wamesit Canal-Whipple Mill Industrial Complex