- Bright's Bell Acoustic Telegraph Sounder, 185...
- Ericsson Ink-Writer Telegraph, c. 1895...
- Ink-Writer Telegraph, c. 1895...
- Prussian Telegraph Receiver, c. 1875...
- Morse Telegraph Recorder by Siemens Brothers ...
- Early Austrian Relief Writer Telegraph, c. 18...
- Telegraph Station by Lorenz, c. 1895...
- Early French Bréguet Dial Telegraph System, c...
- British Railway Single-Needle Telegraph Set, ...
- Group of Telegraph Accessories, 1880 onwards...
- Morse Telegraph Recorder by Siemens & Halske,...
- Rare Vienna Morse Telegraph by Wilhelm Wolter...
- Ericsson Morse Telegraph, c. 1880...
- French Telegraph Repeater, 1912...
- Group of Telegraph and Telephone Equipment, 1...
- Historic Section of a Transatlantic Telegraph...
- Telegraphone Magnetic Wire-Recording and Repe...
- Telegraph Accessories...
- Telegraph Patent Model by White & White, 1855...
- Early Weight-Driven Morse Telegraph by Palmer...
- GPO Telegraph Sounder, c. 1880...
- Telegraph Station by Siemens & Halske, c. 189...
- Very Early Wireless Fax Machine ...
- Camelback Morse Key by Caminada, c. 1870...
- 2 Demonstration Models: Telegraph and Telepho...
- Hughes Printing Telegraph, c. 1875...
- Marconi's Spark Coil Transmitter, c. 1905...