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Submarine repeater valve, 1950-1960

Electronic Components

1950-1960

C.W. transmitter/receiver, Mk.1, 1917

Radio Communication

1917

Bright's bell telegraph, 1855

Telecommunications

1855

Thermopile used to measure heat production, England, 1930-1940

Laboratory Medicine

1930-1940

Bibby recorder Mark II, Met Ref No 985, MO 22/51, demonstration model, with perspex cover

Meteorology

1951

Part of Ground station for German radiosonde

Meteorology

Part of Ground station for German radiosonde

Meteorology

Photomultiplier with base

Nuclear Physics

1965-1968

Aircraft radio telephony transmitter, complete with round valve and microphone, 1915

Radio Communication

1915

Demonstration radiation monitor type 1187A

Nuclear Energy

1955-1970

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

Siphon recorder, 1870

Telecommunications

1870

Solartron oscilloscope model CD568

Nuclear Physics

1955-1961

Stirling spark transmitter and key

Farnborough

1913

Part of Ground station for German radiosonde

Meteorology

Marconiphone Model 701 dual-standard (240/405 line) television receiver with built-in radio, 1936.

Marconiphone Model 701 television receiver

Television

1936

Tall radiosonde, improbably described as a rocket sonde (insufficiently robust)

Tall radiosonde, improbably described as a rocket

Meteorology

1959

Periscopic bubble aircraft sextant, Type 1A, No. 2053, by Kelvin and Hughes (Aviation) Limited, Barkingside, Essex, England, 1950-1951. The periscopic bubble aircraft sextant was used on the De-Havilland Comet passenger jet aircraft.

Periscopic bubble aircraft sextant: Type 1A, No. 2053

Navigation

1950-1951

Bibby recorder MK II, Met Ref 985, MO 41/51

Meteorology

Linear gate and integrator (counter), in an equipment shelf, containing five units, including three summing amplifiers, one particle identifier and a counting unit. Equipment shelf by Fleming Instruments Limited, Stevenage, Hertfordshire, England. Linear gate by EMI Electronics Limited, British. All other objects by C. H. & K. Limited, British, 1955-1975

Linear gate and integrator (counter), in an equipment shelf, containing five units

Nuclear Physics

1955-1975

Sterling spark transmitter, No. 1, by W. D. Wireless Factory, Soho, London, England, 1914-1918

Sterling spark transmitter

Radio Communication

1914-1918

Dental X-ray machine, used in chiropody, with fully articulated arm, by Watson, English, 1930-1950

Dental X-ray machine, used in chiropody, with fully articula

Chiropody

1930-1950