two-wire telephone repeater, 1923-1925

Made:
1923-1925 in United Kingdom
maker:
Western Electric Company, Inc
two-wire telephone repeater, 1923-1925 (amplifier) two-wire telephone repeater, 1923-1925 (amplifier) two-wire telephone repeater, 1923-1925 (amplifier)

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Two-wire telephone repeater, made by Standard Telephones and Cables in collaboration with Western Electric Company, British, 1923-1925.

This is an early example of an audio-frequency repeater. This two-wire repeater provided transmission in both directions over a single pair of wires, and amplified the signals. It was installed at Marks Tey in Essex in 1927 and was recovered in 1965.

Details

Category:
Telecommunications
Object Number:
1966-51
Materials:
metal (unknown), copper (alloy), glass and plastic (unidentified)
Measurements:
overall:
type:
amplifier
credit:
Donated by the General Post Office

Parts

Two-wire telephone repeater, 1923-1925

Two-wire telephone repeater, 1923-1925

Two-wire telephone repeater, made by Standard Telephones and Cables in collaboration with Western Electric Company, British, 1923-1925.

This is an early example of an audio-frequency repeater. This two-wire repeater provided transmission in both directions over a single pair of wires, and amplified the signals. It was installed at Marks Tey in Essex in 1927 and was recovered in 1965.

Cover for two-wire telephone repeater, 1923-1925

Cover for two-wire telephone repeater, 1923-1925

Cover for two-wire telephone repeater, made by Standard Telephones and Cables in collaboration with Western Electric Company, British, 1923-1925.

This is an early example of an audio-frequency repeater. This two-wire repeater provided transmission in both directions over a single pair of wires, and amplified the signals. It was installed at Marks Tey in Essex in 1927 and was recovered in 1965.