Block instrument (sending/receiving)
Block instrument; North Staffordshire Railway, 3 position sending and receiving type, with blocked back facility.
FR/M&CR (?) pegging/non-pegging 2-needle (both black) 3-position/3-indication absolute, with Down/Up Train traffolyte-plates, circular brass red plunger-commutator, small brass release-plunger to LHS, and Tyer's Co. Ltd maker's plate at bottom.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1994-8775
- type:
- block instrument
- credit:
- British Rail, Clapham