WAeroscope
WCotton swab
WCzochralski method
WEbulliometer
WFB Vis
WGrom (missile)
WKerosene lamp
WMultistage rocket
WNagra
WOil well
WPleograph
WPolish mine detector
WProjekt 206FM-class minehunter
WPW-Sat
WPW-Sat2
WSwiatecki bomb slip
WV-tail
WVodka
WWz. 35 anti-tank rifle
WZygalski sheets