Collection

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Place
Material
Date

Morse key, 1850-1870.

1850-1870

Stroh's type-printer for Wheatstone ABC communicator, 1870-1881

1870-1881

Keyboard for transmitting telegraphic messages, 1845-1851

1845-1851

Wheatstone automatic tape transmitter, 1840-1860

1840-1860

Magnetic key relay, 1900-1950

1900-1950

Thomson (Lord Kelvin) double curb transmitter, 1858

1858

Creed pneumatic printer or tape translator, 1902-1925

1902-1925

two large morse keys, 1900-1950

1900-1950
Large main Morse key, made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950

Main Morse key, 1900-1950

1900-1950
Large emergency Morse key, made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950

Emergency Morse key, 1900-1950

1900-1950