Western Union combination Wheatstone relay

Made:: 1915

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Western Union combination Wheatstone relay dated:- 14.12.1915
Science Museum Group
© The Board of Trustees of the Science Museum

Western Union combination Wheatstone relay dated:- 14.12.1915

Details

Category:: Telecommunications

Object Number:: 1968-461

type:: relay

credit:: Baker, R.L.

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Western Union combination Wheatstone relay

Details

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