MACHINE GUN This vehicle, driven by the V-8 engine, reached a speed of 25 miles per hour. FOUR-WHEEL DRIVE T4 ARMOURED CAR, 1930 In this 8500 lb. six-wheeled vehicle, the body or hull replaced the conventional chassis. cargo-carriers, armored cars, and a weapons carrier for a 75 ...
Instant Photography In 1937 Edwin Land co-founded Polaroid to make an optical filter calledpolarizers. They were used in photographic filters, glare-free sunglasses, and products that gave the illusion of 3-D. During WWII Polaroid made anti-glare goggles for soldiers and pilots, gun sights, view...