Electrically maintained tuning fork, by Muirhead

Made:
England
maker:
Muirhead and Company Limited
Electrically maintained tuning fork Electrically maintained tuning fork

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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

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Electrically maintained tuning fork
Science Museum Group
© The Board of Trustees of the Science Museum

Electrically maintained tuning fork
Science Museum Group
© The Board of Trustees of the Science Museum

Electrically maintained tuning fork, frequency standard used for synchronous working on picture standard facsimile machines

Details

Category:
Telecommunications
Object Number:
1989-1028
type:
standards
credit:
Muirhead Vactric Components Limited