10 most interesting inventions from the past.

The time between the wars – the Great War and WW2 was one of great loss and uncertainty, but also one of invention, creativity and new ideas. However, somewhere between these great world-changing inventions like Penicillin, TV and Helicopter there were some cool and sometimes even hilarious inventions the world has forgotten.

Amphibious Bike ‘Cyclomer’ (Paris, 1932). The Cyclomer, a bicycle on land and water can ride with a load of 120 pounds.

Glasses For Reading In Bed (England, 1936).Hamblin glasses. A pair of spectacles especially designed for reading in bed.

Booted Rubber Boat (Netherlands, 1915).Drawing of a “pneumatic sports- fish and hunt boat”, an inflatable boat for one person with boots attached.

Folding Emergency Bridge (Netherlands, 1926). Folding bridge for emergencies, invented by L. Deth can easily be transported on a handcart.

Gas War Resistant Pram (England, Hextable, 1938).

Early GPS (1932). Sort of TomTom, early tripmaster. Works using rolling key map. The map passes the screen in a tempo that depends on the speed of the car.

Radio hat (USA, 1931).Portable radio in a straw hat, made by an American inventor.

Radio Pram (USA, 1921 ). Pram provided with a radio, including antenna and loudspeaker, to keep the baby quiet.

Revolver Camera (New York, 1938). Colt 38 carrying a small camera that automatically takes a picture when you pull the trigger. At the left: six pictures taken by the camera.

Wooden Bathing Suits (USA, 1925 ). Wooden bathing suits, supposed to make swimming a lot easier. Haquian, Washington, USA, 1929