ZWORYKIN, VLADIMIR KOSMA. Patent Specification 290,245 . . . Improvements in Optical Systems for the Scanning or Recombining Devices of Picture Transmission or Television Systems.<> 2 double-page plates (rehinged with cloth tape). 8 pages. 4to, disbound. (London, 1928)
First printing of a British patent pertaining to Zworykin's cathode-ray tube television system. His subsequent advances led to the development of the first satisfactory picture tube.<
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