- German Telegraph System by Siemens & Halske, ...
- Ink Writer Telegraph by Leopolder & Sohn, c. ...
- Prussian Telegraph Receiver, c. 1875...
- E. Morin Ink Writer Telegraph, c. 1918...
- English Telegraph Demonstration Model, 1902...
- Austrian Telegraph by Leopolder & Sohn, Vienn...
- Quenched Spark Transmitter with Inductor...
- Siemens & Halske Earthing Bridge Meter, c. 18...
- Marconi's Coherer Receiver...
- Early Telefunken Transmitter, c. 1916...
- Complete Swiss Broadcast Transmitter, c. 1938...
- French Maritime Type EM 33 Transceiver, c. 19...
- Czech Transceiver by Tesla, c. 1950...
- AN/PRR-15 Military Receiving Radio Set, c. 19...
- 3-part Aircraft Communication Equipment by RC...
- Swiss Amateur Radio Transmitter...
- 3 Military Wireless Transceivers, USA, c. 194...
- 2 American Receivers...
- Special Forces Clandestine Transceiver MK121...
- Complete Fultograph Image-Receiving Device, c...
- Bélinograph Wirephoto Transmitter, c. 1955...