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

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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

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

Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885). Combined absolute pegging/non-pegging 2-needle 2-position/2-indication. "On Line(red)/Cleared(black)" (Accepting : "Train Coming From") and "Cleared/On Line" (Sending : "Train Going To"), on LHS/RHS dials respectively; a bell-assembly being mounted behind/above the former. Between/below the dials is a large brass-handle commutator, positions "Off" (black)/ "On" (Red), below which is a central brass-mounted, large black-bakelite bell-plunger. In the centre of the base-board is painted in white the 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:
1909-8/1
type:
telegraph block instrument
credit:
Imperial Institute of the United Kingdom of the Colonies & India