D.C. indicating relay for use in signal cabin

Made:
1903-1905
D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905
D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905 D.C. indicating relay for use in signal cabin, c.1905

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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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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

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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D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905
Science Museum Group
© The Board of Trustees of the Science Museum

D.C. indicating relay for use in signal cabin, c.1905

This type of relay was used in signal cabins for indicating the state of the D.C. track circuit.

Details

Category:
Signalling & Telecommunications
Object Number:
1948-259
type:
signal relay
credit:
Westinghouse Brake and Signal Co.

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