German Telegraph System by Siemens & Halske, c. 1880 Used by the German Imperial Railway; comprising ink writer no. 77714, Morse key, relay, milli...

Ink Writer Telegraph by Leopolder & Sohn, c. 1895 No. 8749, nickeled brass, clockwork, original condition, needs cleaning. Condition: (3+/-) Farb...

Prussian Telegraph Receiver, c. 1875 Ink writer, signed "W. Gurtl, Berlin", no. 1601, spring-driven motor, on ground plate with drawer and paper s...

E. Morin Ink Writer Telegraph, c. 1918 "E. Morin, Paris", portable, in four-sided folding oak case, transmitter and receiver, brass, original lacq...

English Telegraph Demonstration Model, 1902 Dated 1902; consisting of key, relay and sounder; on mahogany stained base, size 13 x 7 in. An excelle...

Austrian Telegraph by Leopolder & Sohn, Vienna, c. 1890 No. 7918, ink writer, original lacquered brass, hardwood base, clockwork-driven, working, ...

Quenched Spark Transmitter with Inductor Complete outfit consisting of spark coil by "Nilmelior", code sender (clockwork), 2 chokers, quenched spa...

Siemens & Halske Earthing Bridge Meter, c. 1890 Early German Post measuring instrument, no. 5739, measuring bridge with sounder and earphone, turn...

Marconi's Coherer Receiver Exact copy based on the receiver in the Science Museum, London. Containing coherer with tapper unit, telegraph relay an...

Early Telefunken Transmitter, c. 1916 Made by "The Telefunken Wireless Telegraph Company of the United States", type T. 0,5 J.H., no. 3191, with i...

Complete Swiss Broadcast Transmitter, c. 1938 Model HB90, former used by the Radio-Club-Zürich, Switzerland, 4 parts: 1) Power supply. - 2) Pre-am...

French Maritime Type EM 33 Transceiver, c. 1955 Transmitter and receiver, manufactured by "L'Emission Maritime, Nantes", 4 wave ranges, metal case...

Czech Transceiver by Tesla, c. 1950 Communication transceiver Model VXV 050, with base station VXW 080 (power supply with linear amplifier) and me...

AN/PRR-15 Military Receiving Radio Set, c. 1956 Manufacturer: Zenith Radio Co., Chicago. Used by United States Marine Corp., 12 V, portable, monit...

3-part Aircraft Communication Equipment by RCA, c. 1940 Consisting of transmitter model AVT-112A, receiver model AVR-20A, power supply model AVA-1...

Swiss Amateur Radio Transmitter Code no. HB9CC, detailed construction, with measuring instruments by Ferranti, England, and other components by Ed...

3 Military Wireless Transceivers, USA, c. 1940 1) RCA aircraft radio receiver CRV-46151. - 2) WWII US Army Signal Coprs Radio Receiver "BC-321", m...

2 American Receivers 1) Model RBL-5 radio receiving equipment, 1944, by National Company Inc., for the Bureau of Ships, Naval Department, 7 tubes....

Special Forces Clandestine Transceiver MK121 British portable transmitter receiver, for external power, Model A, range 2,9 to 6,0 Mhz, metal case ...

Complete Fultograph Image-Receiving Device, c. 1930 Manufactured by Etabl. Radio LL, Paris. No. 398, crank-driven clockwork mechanism, original re...

Bélinograph Wirephoto Transmitter, c. 1955 By Edouard Bélin, no. 258, named on plaque "Lie Belin", used for sending pictures by telephone, scannin...