Invented in 1925 by Italian M. Goventosa de Udine, these swimming aids were made from bike tires and allowed the wearer to move at speeds of up to 93 mph. And while they’re a far cry from being fashionable—or even remotely comfortable—at least you could move faster than a running cheetah. Right?
Ice Age-Resistant Boats
Irrationally afraid of an impending ice age? Live in Holland in the year 1600? Fear no more. This boat, which was designed in Holland, had (as the inventors believed) the capacity to transport goods over frozen rivers and lakes.
Straw Hat Radio
Invented by an American in 1931, this is a portable radio stored in a straw hat. It never did make waves. You might blame a massive depression; we blame the choice in material.
You like the ocean, except for the whole “having to abandon your bike to enter it” bit? The Cyclomer is just for you. Inveneted in Paris in 1932, the bike worked on land and sea, and could carry a load of up to 120 pounds.