- Soviet Cipher Machine "Fialka M-125" 10-Wheel...
- Soviet Cipher Machine "Fialka M-125-3" 10-Whe...
- British Railway Single-Needle Telegraph Set, ...
- French Optical Toy Telegraph according to Cla...
- Components of a High-Power Wireless Telegraph...
- Telephone Bridge and Telegraph, c. 1900...
- M-130 (Korall) Russian Teletypewriter, c. 196...
- French "Système Ader" Wall Telephone, c. 1880...
- Rare and Early Butterstamp Telephone, c. 1880...
- Facsimile "Belinographe", c. 1925...
- Spark Telegraphy Receiver by Bing, c. 1907...
- Ducretet Dial Telegraph, c. 1870...