Three telegraphic signalling block instruments

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Science Museum Group Collection

Three telegraphic signalling block instruments, double- and two single-needle versions, patents of G.K.Winter and J.Craik, 1880 and 1885, cases removed to show mechanism.

Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)

Details

Category:: Signalling & Telecommunications

Object Number:: 1909-8

type:: telegraph instrument

credit:: Imperial Institute of the United Kingdom of the Colonies & India

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