Skeleton Telephone by L.M. Ericsson, c. 1905

American Candlestick Telephone by De Veau, c. 1905

Coherer Receiver Station, c. 1905

The Junior Field Wireless Telegraph Station, c. 1912

Early Telephone and Telegraph Accessories, 1900 onwards

The "Atlantic" Wireless Telegraphy Outfit

Group of 12 Morse Keys

Electromagnetic Pulse Recorder, c. 1905

Spark Gap Transmitter with Morse Key, c. 1912

Pole-Changer "M1900" by W. Gurtl, Berlin, c. 1900

Complete Morse Telegraph Station, c. 1890

Complete Telegraph Station, c. 1905

English Telegraph Demonstration Model, 1902

AEG Spark-Gap Transmitter, 1918

Facsimile "Bélinographe", c. 1928

Wireless Telegraphy Equipment

Aeroplane Radio Telegraph Transmitter Set Box, 1918

Righi Oscillator by Max Kohl, c. 1915

Swiss Amateur Radio Transmitter

Intercom Telephone System, c. 1920

Marconi Wireless Telegraph Receiver

Interference Source Receiver by Siemens, c. 1930

Early Telefunken Transmitter, c. 1916

French Ink-Writer Telegraph by Ducretet, c. 1900

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

American Quenched Spark Transmitter, 1910

World's 1st Fax Machine: "The Fultograph", c. 1925

Telegraph Receiver with Coherer by Max Kohl, 1903

Complete Swiss Broadcast Transmitter, c. 1938