Signal box diagram
- Made:
- 1921
Signal box diagram, framed, North Eastern Railway, Hartlepool Docks No 1 swing bridge, 5th August 1921.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 2001-8548
- Materials:
- paper (fibre product)
- type:
- signal box diagram
- credit:
- British Rail, Clapham
