Telegraph block instrument

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Science Museum Group Collection

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885). Combined absolute non-pegging 1-needle (black) 2-position/2-indication "Cleared" (black)/"On Line" (red) (Sending: "Train Going To"), behind/above which is mounted a bell-assembly and below which is a central brass-mounted, large black-bakelite bell-plunger. In the centre of the base-board is painted in white a letter "A", and to the left of which is a small black-bakelite plunger. The instrument is missing its cover-case, removed to show mechanism.

Details

Category:
Signalling & Telecommunications
Object Number:
1909-8/3
type:
telegraph block instrument
credit:
Imperial Institute of the United Kingdom of the Colonies & India