Grabovsky and Piskunov with their TV tube

Grabovsky and Piskunov with their TV tube

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Credit: SPUTNIK/SCIENCE PHOTO LIBRARY

Caption: Boris Pavlovich Grabovsky (1901-1966, right) and Nikolay Piskunov, Soviet inventors, with the television tube they built. Grabovsky and Piskunov, together with Ivan Belyansky (not seen) were said to have built an early type of television cathode ray tube in 1928. This work was done at the Central Asian University in Tashkent, Uzbekistan. The device (seen here) was called a "cathode commutator". They claimed to have managed to televise a moving hand and faces, and succeeded in transmitting a picture of a moving tram. Work on the project ceased in 1930, and it is possible that these accomplishments were exaggerated by the Soviet authorities.

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