- Large ...
- Swedish Intercom Telephone...
- Group of Early Telephone Handsets and Accesso...
- Swedish Field Telephone by L.M. Ericsson, c. ...
- Swedish Field Telephone, c. 1900...
- Telefunken EV 89d Telephone Amplifier, 1917...
- Intercom Telephone by L.M. Ericsson, Stockhol...
- Skeleton Telephone L.M. Ericsson, c. 1905...
- American Candlestick Telephone by De Veau, c....
- French Ink-Writer Telegraph by Ducretet, c. 1...
- 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, 19...
- Laboratory Experimental Unit: Detector and Mo...
- Telegraph Receiver with Coherer by Max Kohl, ...
- Magnetic Detector by Marconi's Wireless Teleg...
- WW II US Army Signal Corps Radio Receiver BC-...
- American "BC-348-R" Receiver for Airborne Use...
- Early Portable 5-Valve Amplifier, 1917...
- PRT-20-1 Portable Radiotelephone, c. 1960...
- No. 17 MK II Transceiver Wireless Set, c. 194...
- 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. 1...