Telegraph relay (1920s)

Made:
1920-1930
Telegraph relay (1920s)

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

Telegraph relay (1920s)
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph relay (1920s)

Details

Category:
Telecommunications
Object Number:
1970-552
type:
relay
credit:
Plessey Telecommunications