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)


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