Signalling Block Switch
Signalling instrument, block switch, for severing block section on closure of signalbox, unmarked
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1994-8764
- type:
- block switch
- credit:
- British Rail, Clapham
Signalling instrument, block switch, for severing block section on closure of signalbox, unmarked