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Manufactured by "Chiffriermaschinen-Ges. Heimsoeth und Rinke, Berlin". Serial no. K840, with 4-rotor set, numbered K522, K522I, K522II and K522III, with an external lamp panel and a separate power supply in oak case. An important example of the legen...
Estimate : €20,000 - €40,000Register to bid
Manufactured by AB Cryptograph, Sweden. Mechanically operated, keyboard-controlled, 4 pin-wheels, lamp panel matrix output, serial no. 555, in wooden case and outer leather carrying bag. - Boris Hagelin designed the B-21 based on an earlier patent by...
Estimate : €10,000 - €15,000Register to bid
France. Containing: detector with "S.F.R." crystal; coherer with decoherer; relay Baudot by J. Carpentier; miliampere relay by Chauvin & Arnoux/Paris; lightning projection further coils and switches. Mahogany case and base. Very good restored conditi...
Estimate : €9,000 - €12,000Register to bid
World's very 1st mechanical television set, designed and manufactured by John Logie Baird, London. With spiral punched scanning disc by Paul Gottlieb Nipkow, Berlin. - Original tube! - Restored. In working order! - This is the 1st production model in...
Estimate : €20,000 - €30,000Register to bid
Telecommunications - 133rd Specialty Auction