Telegraph block instrument (sending/permissive)
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
- credit:
- British Rail, Clapham