Retro invention. Part 1.

The most unusual of the invention of the past. People do not lose time on the computer, they are embodied ideas.
That's what they did:

Family bike with a sewing machine (USA 1939)




Nogosiped (USA 1934)



Amphibious bicycle, you can ride and on land and on water, the maximum "load



Motoloshad useful for learning to ride a horse (Italy, 1933)



Unicycle bike a top speed of 150 km / h (Italy, 1931)



"The lifejacket



Hat radio (USA 1931)



Supine piano for bedridden (UK, 1935)



Reading glasses lying (England 1936)



Jacket with electric heating (USA 1932)



Car-roly-poly, can ride on slopes up to 65 degrees (UK 1936)



A car with a shovel for pedestrians, to reduce the number of victims (Paris, 1924)



«GPS-navigator





Protective face mask in case of a snowstorm (Canada 1939)



Pram in the event of a gas attack (England 1938)



Fotorevolver, filming by pressing the trigger (USA 1938)



Mouthpiece for smoking in the rain (1931)



Folding bridge for emergencies, transported on a trolley (Netherlands, 1926)



Source: www.pokazuha.ru