G.P.O. Candlestick Telephone No. 150, c. 1925

L.M. Ericsson Model AB 520 Wall Phone, c. 1905

French Intercom Telephone by Pernet, c. 1910

Belgian Wall Telephone, c. 1922

Demonstration Telephone by Leybold, c. 1915

2 Telephone Demonstration Models, c. 1910

Home Telephone Clock Stand Station, c. 1900

2 Telephones, c. 1910

Belgian Ateaphone Series 30 Telephone, c. 1928

Police Telephone Recording Unit, c. 1965

Norwegian Wall Telephone, c. 1900

L.M. Ericsson Wall Telephone, 1936

Bell Wall Telephone, c. 1930

Norwegian Table Telephone, c. 1900

French Ink-Writer Telegraph, c. 1900

Camel-Back-Style Relief-Writer Telegraph, c. 1860

2 Cooke Wheatstone Single-Needle Telegraphs, c. 1860

Ducretet Dial Telegraph, c. 1870

3 Toy Telegraphs, c. 1915

3 Telegraph Receiver Demonstration Models, c. 1910

Telegraph Writer and 5 Morse Keys, c. 1900

Mechanical Time Switch

8 Early Morse Keys

7 British Morse Keys, c. 1940

11 American and Japanese Morse Keys, c. 1950

8 German Morse Keys (Wehrmacht), c. 1942

16 Russian Morse Keys

4 Semi-Automatic Morse Keys, 1960–1980