- Ericsson Ink-Writer Telegraph, c. 1895...
- Official French "Agence Havas, Paris" Stock-M...
- French Dial Telegraph Set by Bréguet and Vina...
- Malakoff Ink-Writer Telegraph, c. 1880...
- Breguet Ink-Writer Telegraph, c. 1895...
- Toy Morse Telegraph, c. 1920...
- WWII US Army Emerson RBZ Receiver Type CEX-10...
- Little Polish Spy Radio Transceiver AP-5, c. ...
- Telegraph and Telephone Accessories, c. 1880-...
- Little Polish Spy Radio Transceiver BP-5, c. ...
- American SSTR-1 Clandestine Radio Set, c. 194...
- Electro-Mechanical Burst Encoder MX-4498/GRA-...
- MK XV Transmitter with Associated Receiver, c...
- Spy Radio Set AN/GRC-109, c. 1950...
- French Brass Morse Telegraph by Digney, c. 18...
- Swedish Military Receiver MT-910 B, c. 1965...
- Whaddon Mk VII - Paraset Clandestine Radio, c...
- 2 Rohde & Schwarz Radio Technical Laboratory ...
- British Army Rucksack Transceiver, c. 1940...
- Telefunken PE 484/3 Miniature Direction Finde...
- Transmitting Tubes (Triodes) and Further Elec...
- Wehrmacht Voltage-Regulator Tubes, c. 1940...
- Group of Electroluminescent and other Crystal...
- 6 Large German Transmitting Tubes...
- 6 Telefunken Transmitting Tubes (Triodes)...
- 8 Telefunken Transmitting Tubes (Triodes)...
- 13 Transmitting Tubes...
- 8 Transmitting Tubes (Triodes)...
- Clandestine Receiver Mark 301, c. 1954...