|
Year |
Event(s) |
1 | 1923 | - Clarence Birdseye invents frozen food.
- Garrett A. Morgan invents a traffic signal.
- John Harwood invented the self-winding watch.
- The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin.
|
2 | 1924 | - Notebooks with spiral bindings invented.
- The dynamic loudspeaker invented by Rice and Kellogg.
|
3 | 1925 | - The mechanical television a precursor to the modern television, invented by John Logie Baird.
|
4 | 1926 | - Robert H. Goddard invents liquid-fueled rockets.
|
5 | 1927 | - Erik Rotheim patents an aerosol can.
- JWA Morrison invents the first quartz crystal watch.
- Philip Drinker invents the iron lung.
- Philo Taylor Farnsworth invents a complete electronic TV system.
- Technicolor invented.
- Warren Marrison developed the first quartz clock.
|
6 | 1928 | - Bubble gum invented by Walter E. Diemer.
- Jacob Schick patented the electric shaver.
- Scottish biologist Alexander Fleming discovers penicillin.
|
7 | 1929 | - American, Paul Galvin invents the car radio.
- Herbert Hoover president of the USA 1929-1933.
- Yo-Yo re-invented as an American fad.
|
8 | 1930 | - Frank Whittle and Dr Hans von Ohain both invent a jet engine.
- Scotch tape patented by 3M engineer Richard G. Drew.
- The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.
|
9 | 1931 | - Germans Max Knott and Ernst Ruska co-invent the electron microscope.
- Harold Edgerton invented stop-action photography.
|
10 | 1932 | - Polaroid photography invented by Edwin Herbert Land.
|
11 | 1933 | - Franklin Roosevelt president of the USA 1933-1945.
- Frequency modulation (FM radio) invented by Edwin Howard Armstrong.
- Stereo records invented.
|
12 | 1934 | - Charles Darrow claims he invented the game Monopoly.
- Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording.
|
13 | 1935 | - The first canned beer made.
- Wallace Carothers and DuPont Labs invents nylon (polymer 6.6.).
|