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Morse key, 1850-1870.

Morse key, 1850-1870.

1850-1870
Wheatstone automatic tape transmitter, 1840-1860

Wheatstone automatic tape transmitter, 1840-1860

1840-1860
Magnetic key relay, 1900-1950

Magnetic key relay, 1900-1950

1900-1950
Thomson (Lord Kelvin) double curb transmitter, 1858

Thomson (Lord Kelvin) double curb transmitter, 1858

1858
Keyboard for transmitting telegraphic messages, 1845-1851

Keyboard for transmitting telegraphic messages, 1845-1851

1845-1851
Stroh's type-printer for Wheatstone ABC communicator, 1870-1881

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

1870-1881
Grid slide from prototype Cox selenium-cell magnifier equipment, 1919-1920

Grid slide from prototype Cox selenium-cell magnifier equipment, 1919-1920

1910-1920
Creed teleprinter No. 3X, 1927-1942

Creed teleprinter No. 3X, 1927-1942

1927-1942
two large morse keys, 1900-1950

two large morse keys, 1900-1950

1900-1950
Creed pneumatic printer or tape translator, 1902-1925

Creed pneumatic printer or tape translator, 1902-1925

1902-1925
Operators console and paper holder for Murray keyboard perforator, 1914-1916

Operators console and paper holder for Murray keyboard perforator, 1914-1916

1914-1916
Murray keyboard perforator, 1914-1916

Murray keyboard perforator, 1914-1916

1914-1916
Large emergency Morse key, made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950

Emergency Morse key, 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
Paper dispenser for siphon recorder, designed by William Thomson (Baron Kelvin) made by James White & Company, Glasgow, Scotland, 1870. Used by the Eastern Telegraph Co in Egypt, and later in India

Paper dispenser for Siphon recorder, 1870

1870