Lock & Block Type Telegraph Block Instrument
Telegraph block instrument, lock & block type, W R Sykes & Co, track circuit indicator, " 35.45.25.W(27) TO TRACK CCTS C F"
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1995-7089
- type:
- block instrument
- credit:
- British Rail, Clapham
