Telegraph block instrument (sending/permissive)

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

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

Telegraph block instrument; GNR. Pegging permissive 1-needle 3-position/3-indication ("Train On Line" indication on red, being replaced by "Line Occupied" on yellow). With wood-handle and catch-handle/spike commutator, and large rectangular ivorine plate inscribed "Dn Gds Wrenthorpe North". Claimed ex BR-Clapham.

Details

Category:
Signalling & Telecommunications
Object Number:
1994-7116
type:
telegraph block instrument
credit:
British Rail, Clapham

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