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Swedish Intercom Telephone

Group of Early Telephone Handsets and Accessories, c. 1910

Swedish Field Telephone by L.M. Ericsson, c. 1920

Swedish Field Telephone, c. 1900

Telefunken EV 89d Telephone Amplifier, 1917

Intercom Telephone by L.M. Ericsson, Stockholm, c. 1900

Skeleton Telephone L.M. Ericsson, c. 1905

American Candlestick Telephone by De Veau, c. 1905

French Ink-Writer Telegraph by Ducretet, c. 1900

English Telegraph Demonstration Model, 1902

German Telegraph Station by Wetzer, c. 1880

Dial Telegraph and Galvanometer

Italian Ink-Writer Telegraph, c. 1890

Early Swiss Morse Ink-Writer by Hipp, c. 1880

Complete Telegraph System by Hasler, Bern, 1908

Laboratory Experimental Unit: Detector and Morse Receiver, c. 19

Telegraph Receiver with Coherer by Max Kohl, 1903

Magnetic Detector by Marconi's Wireless Telegraph Co., 1908

WW II US Army Signal Corps Radio Receiver BC-312, c. 1940

American "BC-348-R" Receiver for Airborne Use, 1944

Early Portable 5-Valve Amplifier, 1917

PRT-20-1 Portable Radiotelephone, c. 1960

No. 17 MK II Transceiver Wireless Set, c. 1941

American WW II Transceiver AR-11, 1942

Portable Clandestine Transceiver, c. 1940

Portable AM Transceiver TRBP 3A, c. 1950

WW II Shortwave Receiver

WW II Longwave Receiver

WW II Telefunken Transformer

French Portable Clandestine Transceiver, c. 1940