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Important Inventions In The Year 1920

Tuesday, 17 September 2019

John Logie Baird develops mechanical television.

Philo T. Farnsworth invents modern electronic television.

Robert H. Goddard develops the principle of the modern, liquid-fueled space rocket.

German engineer Gustav Tauschek and American Paul Handel independently develop primitive optical character recognition (OCR) scanning systems.

Albert W. Hull invents the magnetron, a device that can generate microwaves from electricity.

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