- Skeleton Telephone by L.M. Ericsson, c. 1905...
- American Candlestick Telephone by De Veau, c....
- Coherer Receiver Station, c. 1905...
- The Junior Field Wireless Telegraph Station, ...
- Early Telephone and Telegraph Accessories, 19...
- 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. ...
- 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...
- 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. 1...
- Early Telefunken Transmitter, c. 1916...
- French Ink-Writer Telegraph by Ducretet, c. 1...
- Laboratory Experimental Unit: Detector and Mo...
- American Quenched Spark Transmitter, 1910...
- World's 1st Fax Machine: "The Fultograph", c....
- Telegraph Receiver with Coherer by Max Kohl, ...
- Complete Swiss Broadcast Transmitter, c. 1938...