Telephone Relay

Made:
1925-1935 in London
Telephone Relay Telephone Relay Telephone Relay Telephone Relay Telephone Relay
Telephone Relay Telephone Relay Telephone Relay Telephone Relay Telephone Relay

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

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

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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 

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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

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Telephone Relay
Science Museum Group
© The Board of Trustees of the Science Musuem

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

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

Telephone relay, used by the General Post Office, and made by Siemens Brothers.

Details

Category:
Telecommunications
Object Number:
Y7001.99
Materials:
wood (unidentified), brass (copper, zinc alloy) and glass
Measurements:
overall: 125 mm 128 mm,
type:
relay

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