Swedish Transceiver, C. 1923

AGA Morse Signal Lamp, 1917 Onwards

English Telegraph Demonstration Model, 1

2 Cooke Wheatstone Single-Needle Telegra

L.M. Ericsson Ink-Writer Telegraph, C. 1

French ABC Dial Telegraph, C. 1870

German Telegraph System By Siemens & Hal

2 Telegraphs And 1 Relay

Marconi's Coherer Receiver

Bélinograph Wirephoto Transmitter, C. 19

Single-Needle Telegraph, C. 1870

Rare Edison Stock Ticker Telegraph, C. 1

Wall Phone By Siemens & Halske, 1902

Swedish Wall Telephone Type AC 150, C. 1

Belgian Wall Telephone, C. 1922