1431. Anderson, S.E., Clement, L.M., and G.C. Coutouly. Short-Wave Transmitters And Receivers: A Description Of The Development Of A 50 Watt Telephone And Telegraph Transmitter And A Very Sensitive Double Detection Receiver For The United States Coast Guard. 1925
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1431. Anderson, S.E., Clement, L.M., and G.C. Coutouly. Short-Wave Transmitters And Receivers: A Description Of The Development Of A 50 Watt Telephone And Telegraph Transmitter And A Very Sensitive Double Detection Receiver For The United States Coast Guard. 1925
1431. Anderson, S.E., Clement, L.M., and G.C. Coutouly. Short-Wave Transmitters And Receivers: A Description Of The Development Of A 50 Watt Telephone And Telegraph Transmitter And A Very Sensitive Double Detection Receiver For The United States Coast Guard. Bell Telephone Laboratories. September 1925. 24p. Stapled soft wraps. Detailed descriptions including development, design and operating specifications for this equipment built for the Coast Guard covering the wavelength range between 100 and 200 meters. These radio sets were intended for use on small and medium craft and at stations during a period when communications between units were sorely needed. Good Condition, only light edge wear and toning, name on front cover. (VG). $44.