Telegraph block instrument (sending)

Telegraph block instrument (sending) Telegraph block instrument (sending)

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Telegraph block instrument (sending)
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument (sending)
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; Metropolitan & GCR. Spagnoletti sending type; single-vane pegging 3-position/2-indication (Down Line). Above this is an engraved-traffolyte plate inscribed "Northbound", and below is the commentator-assembly comprising 2 keys (red/white), a sprung metal-rod slide (to hold down either key, when in depressed position) and a rectangular equally-divided brass-bezelled case inscribed (LHS) "Train On Line" and RHS "Line Clear", complete with a back-cabinet.

Details

Category:
Signalling & Telecommunications
Object Number:
1994-7247
type:
telegraph instrument