#1. One-wheel motorcycle
#2. Manual dredger
Workers operated the so-called bucket dredger with their arms and legs using stepper boards. The machine is a small model, but whether it was actually realized is unknown.
#3. Bike tyre used as a swimming aid
Invented by Italian M. Goventosa de Udine; maximum speed: 150 kilometers per hour (93 mph).
#4. Steam automobile design circa 1845
#5. Amphibious bicycle
This land-and-water bike can carry a load of 120 pounds; Paris, 1932
#6. All-terrain car
This all-terrain car can descend slopes up to 65 degrees; England, 1936.
#7. Radio stroller
Stroller equipped with a radio, including antenna and loudspeaker, to keep the baby quiet; USA, 1921.
#8. Wooden bathing suits
Wooden bathing suits, supposed to make swimming a lot easier; Hoquiam, Washington, USA, 1929
#9. Ice sailboat
In the 17th century, it was so cold that meteorologists spoke of a Little Ice Age. The ice sailboat addressed the challenge of transporting goods over frozen lakes and rivers. Designed by A. Terrier, January 17, 1600
#10. Radio hat
Portable radio in a straw hat, made by an American inventor in 1931
#11. Wetlands windmill
A windmill for draining wetlands, lightweight enough to function in marshy areas. It was designed by C.D. Muys in 1589 but was never built.
#12. Bulletproof glass
Demonstration by NYPD’s finest shooter, 1931
#13. Clap skate
In 1936, inventor R. Handl came up with the movable heel plate, but it wasn’t until 1996 that this concept revolutionized skating.
#14. Extensible caravan
Built by an unknown French engineer in 1934.
#15. Piano for the bedridden
Piano especially designed for people confined to bedrest; Great Britain, 1935
#16. Hamblin glasses for reading in bed
A pair of spectacles especially designed for reading in bed; England, 1936
#17. Electrically heated jacket
Electrically heated vest, developed for the traffic police in the United States, 1932. The power is supplied by electric contacts in the street.
A turntable linked to a film projector. It comes with single, dual and triple turntable. Designed by F.B.A. Prinsen, 1929
#19. Car with shovel for pedestrians
Invented for the purpose of ‘reducing the number of casualties among pedestrians;’ Paris, 1924
#20. Hearing light for the blind
#21. Early GPS
Yesteryear’s TomTom, a rolling key map that passes through the screen in a tempo determined by the speed of the car; 1932
#22. Folding bridge for emergencies
The emergency bridge can easily be transported on a handcart; invented by L. Deth. The Netherlands, 1926
#23. Booted rubber boat
Drawing of a ‘pneumatic sports- fish and hunt boat,’ an inflatable boat for one person with boots attached; The Netherlands, 1915
#24. Faxed newspaper
In 1938, the world’s first wireless newspaper was sent from WOR radio station in New York City. In this photo, children are reading the children’s page of a Missouri paper.
#25. Snowstorm mask
Plastic face protection from snowstorms. Canada, Montreal, 1939
#26. Gas-resistant stroller
A wartime stroller equipped with gas protection; England, Hextable, 1938
#27. Revolver camera
A 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. New York, 1938.