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| 1928 |
| | | British inventor John Logie Baird secures a patent for fibreoptic imaging | |
|  | Fibre optic gastroscopy, 1998
Wellcome Library, London
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| 1930 |
| | | British inventor Frank Whittle takes out a patent for a jet engine | |
|  | Sketches towards the design of Whittle's jet engine
National Archives, Kew
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| 1930 |
| | | US inventor Richard Drew develops Scotch Brand Cellulose Tape, the world's first transparent tape | |
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| 1938 |
| | | The Du Pont Corporation begins manufacture of a new synthetic silk yarn, subsequently known as nylon | |
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| 1942 April |
| | | British engineer Barnes Wallis designs a bouncing and rotating bomb for use against German dams | |
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| 1946 |
| | | ENIAC is the world's first general-purpose electronic calculator | |
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| 1947 |
| | | US scientist Edwin Land demonstrates a new device, the Polaroid camera, to the Optical Society of America | |
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| 1956 |
| | | The first true synthesizer is put on the market by RCA Victor | |
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| 1959 |
| | | The first prototype of the Hovercraft, designed by British engineer Christopher Cockerell, crosses the English Channel | |
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| 1969 |
| | | An engineer in the newly formed Intel Corporation designs the first programmable microchip | |
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