Telegraph block instrument

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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; GER. Pegging/non-pegging 2-needle 2-position/2-indication absolute, with a vertically-mounted large brass flap (painted black on one side and green on the other). A small brass red "Train on Line" reminder-flap is also attached, covering either one red brass plunger (LHS) or one brass white plunger (RHS).

Details

Category:
Signalling & Telecommunications
Object Number:
1975-7868
type:
telegraph instrument