78. -. Valensi (Georges) Improvements on or relating to Television Systems, Complete Patent Specification 524,443, 5 lithographed plates, disbound, stamp on first p., small folio, 1940.
est. £300 – £400
Valensi invented and patented a method of transmitting colour images to be received by colour and black & white TV sets, the first to be compatible thus.
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