Television camera tube, cylindrical. Printed paper label attached to body with sellotape: EMITRON CPS Type No.5954. Serial No. (manuscript) R134 2 Emitron television camera tube
Television camera tube, cylindrical, silvered glass, marked English Electric Valve Co. Ltd. P807. 5791. Marked at end: 4134 Television Camera Tube
Iconoscope, made by Dr V K Zworykin in his laboratory on 9 November 1931, successfully tested the next day. Prototype Iconoscope tube, 1931 1931-11-09
Television camera tube, Emitron, pre-war, possibly demonstration model, c 1938 Emitron television camera tube, c 1938 1935-1940