Telefunken Detector Receiver and Spark Transmitter, c.

'8 Detector Receivers and 2 Charging Rectifiers, c. 1925 and later 1) Telefunken model A, wood case, inclined desk shape, crystal later. - 2) AEG Type DT, metal case, 2 knobs, crystal without glass. -

Telefunken Single Audion Box Type ED222, c. 1920 With RE11 Audion valve, wooden case, size only 5 ½ x 6 ¼ x 3 1/6 in., an auxiliary instrument to use in order with detector receivers. Telefunken-Zus

'4 Telefunken Radio Receivers, c. 1929 1) Model 4A, 4 tubes, battery-operated, for external loudspeaker, wood case with lid. - 2) Model 31W, 4 tubes, mains operation, for external loudspeaker, metal c

3 Telefunken Radio Receivers, c. 1930 1) Model 120W, 3 valves, MW + LW, mains-operated, metal and bakelite case. – 2) Arcolette model 3, 3 valves, MW + LW, metal case. – 3) Power supply for Arcol

'Telefunken T10 Radio Receiver, c. 1928 Telefunken, Germany. 3 tubes (Re 034, Re 304 and Re 134), for battery and external loudspeaker, triple-coil coupler, medium wave and long wave, bakelite case, u

Military Signal Corps Radio Receiver & Transmitter BC-669-C... 22"x18"x4 1/2"

'Telefunken Spitzensuper 8001 WK Radio Receiver, c. 1938 Telefunken Germany, 12 tubes, AC power (110-240 volts), 2 built-in speakers, 10 circuits, long wave, medium wave and short wave, retractable sc

'3 Telefunken Radio Receivers in Bakelite Cases, c. 1933 Telefunken Germany. 1) Nauen 330 WL, 4 tubes, long wave and medium wave, mains operation, rear panel from model 331 WLK. - 2) 40 W special, 5 t

3 Radio Receivers by Telefunken, c. 1930 1) Model 33WL, 4 valves, MW + LW, mains-operated, integrated speaker, bakelite case. – 2) Model 4A, 4 valves, MW + LW, battery-operated, for headphones, woo

Early French Bréguet Dial Telegraph System, c. 1855 Consisting of transmitter, receiver, bell box and galvanometer as patented in 1849. 1) Transmitter by L. Bréguet, with brass plaque "I. Si

French Dial Telegraph Set by Bréguet, c. 1855 Original transmitter-and-receiver device as patented in 1849, transmitter with serial no. 50427, in lockable desktop case (missing key). - Literature

German WWII Horst C Radio Monitoring Receiver, 1942 Telefunken. No. 215935, Type Fu.H.E.c, SW receiver with 4 wave ranges (3.75-25.8 MHz), 10 valves (RV2P800), full-circle scale, battery-operated, rep

4 Radio Receivers 1) Telefunken 4A, c. 1928, mains or battery-operated, mahogany case, instructions in lid, without tubes. - 2) British single-tube receiver, c. 1928, unmarked, with Triotron TD2 tube,

Bréguet-Type Toy Telegraph by Biloret et Mora, c. 1890 Marked "AB & CM" for A. Biloret and C. Mora, Paris, transmitter and receiver, each on a mahogany base, dimensions 5 ½ x 5 ½ in. an

Spark Telegraphy Receiver by Bing, c. 1907 Gebrüder Bing, Nuremberg. Toy telegraph, catalog no. 14074, receiver, with coherer, decoherer (clapper), electromagnet and bell, on polished wood board

2 Telephone Microphones and 1 Receiver 1) Universal Transmitter, J. Berliner, Hanover/Vienna, c. 1893, carbon grain microphone with carbon disc diaphragm, original lacquered papier-mâché hor

Group of Detector Radios, Headphones, Accessories and Additional Parts, c. 1920-60 1) Small detector receiver, Sweden, circular case, with crystal and Ericsson 2000-ohm headphones. - 2) Detector radio

4 Large Radio Receivers 1) Telefunken 342 WL, c. 1932, Milan, Italy, 5 tubes, medium wave only, mains operation, built-in loudspeaker, wood "cathedral" case, complete with tubes and rear panel, rotary

2 Saba Bakelite Radios and Speakers, c. 1932 1) Saba receiver model 310W, 4 valves, LW + MW, mains-operated. – 2) Saba speaker model Dino P. – 3) Telefunken receiver model 122W, 3 valves, LW + MW

Phywe 4-Valve Radio Receiver, c. 1928 Phywe AG Göttingen. 4 valves: 1 x Telefunken RE034 and 3 x Valvo A408, wood case with ebonite front. 4-Röhren-Radioempfänger Phywe, um 1928 Phywe AG Göttin

An Early "Butterstamp" Telephone Receiver c.1880s A superb and very early Butterstamp-style receiver transmitter. Possibly by Siemens, complete with fine adjustment mechanism in base and original scre

Two Wall Telephones 1) Wall telephone with Blake transmitter, c. 1895, two-part walnut case, crank inductor, double bell, without receiver. Note: The Blake transmitter was the first successful telepho

4 Telefunken Radio Receivers in Bakelite Cases 1) Model 620, c. 1933, Telefunken Prague, 7 tubes (complete), alternating current, 3 wave ranges, built-in loudspeaker. - 2) Model 344 WL, c. 1932, Telef

3-part Aircraft Communication Equipment by RCA, c. 1940 Consisting of transmitter model AVT-112A, receiver model AVR-20A, power supply model AVA-126A. Manufactured by RCA Victor Division, USA. 3-teili