Piano for people lying in bed, radio-mounted cribs for baby lulls are unique inventions but no applications appear after World War I.
Between World War I and World War II was a time of dizziness and change, but also an era of inventions, innovations and creativity . The rapid development of science and technology in the 1920s brought people today lie detectors, traffic lights, chewing gum, penicillin antibiotics and television systems.
Later in the 1930s, inventions during this period created us with jet engines, helicopters, tea bags, sticky tape, ballpoint pens and first photocopiers.
However, in addition to the landmark inventions that contributed to the change in human life, there were also some fun but not useful and forgotten innovations soon after. Typically, piano inventions are placed on beds, guns mounted cameras or bicycles go on land and underwater .
Let's review the unique inventions created in the period between the two terrible wars of the world:
Between World War I and World War II was a period of loss and dizziness, but also an era of inventions, innovations and creativity.However, in addition to those inventions, there were also some fun but not useful and forgotten innovations soon after.In the picture is a tire used to float when swimming in Germany in 1925.
One-wheel motorcycle developed by M. Goventosa de Udine, Italy in 1931, with a maximum speed of 150km / h.
Bicycles go on land and underwater, invented in Paris, France in 1932.
Multi-wheel drive cars on all terrain in England in 1936.
Scooters and speakers to lull babies to sleep in the US in 1921.
Radio caps in the US in 1931.
Testing bulletproof glass in New York, USA in 1931.
Super long-range mobile car invented by a French engineer in 1934.
Piano for people in bed in England in 1935.
Reading glasses for people in bed in England in 1936.
The jacket has an electric heating system designed for US traffic police in 1932.
Cars attach safety parts in front to avoid causing casualties when ramming passersby in France in 1924
The early global positioning system (GPS) was mounted on cars in 1932.
The folding ladder was used in the rescue by L. Deth in 1926 in the Netherlands.
In 1938, the newspaper was published and printed through fax machines invented in New York, USA.
Mask of snowstorm in Canada in 1939.
Trolleys providing poison room oxygen in the UK in 1938.
Colt 38 gun attached a small camera and will take photos when squeezing the trigger, invented in New York, USA in 1938.
