![]() Bicycle tires used as spastelnye vests (Germany, 1925) ![]() Single-wheel motorcycle (1931) The maximum speed of 150 km / h ![]() Floating bike ![]() All Terrain Vehicle (England, 1936) Was able to go down the slope to 65 degrees. ![]() Radio stroller (U.S., 1921) ![]() Radio Hat (USA, 1931) Portable radio in a straw hat. ![]() Bulletproof Glass (New York, 1931) ![]() A long convoy (France, 1934) ![]() Piano to paralyze (England, 1935) ![]() Points for reading in bed (England, 1936) ![]() Electrically heated jacket (U.S., 1932) ![]() A car with a shovel for pedestrians (Paris, 1924) ![]() ![]() Early GPS (1932) ![]() Foldable Bridge (Netherlands, 1926) ![]() Newspapers sent by fax (1938) ![]() Protecting the face from blizzards (Canada, 1939) ![]() The stroller is resistant to gas attacks (England, Heksteybl, 1938) ![]() The camera-gun (New York, 1938) |