Regulations for train signalling on double lines of railway by the Absolute Block system and the Permissive Block system. Includes general instructions to signalmen. Produced by London Midland & Scottish Railway.
Details
- Category:
- Documents
- Object Number:
- 2001-9401
- Materials:
- linen covered card and paper (fibre product)
- Measurements:
-
: 8.0315 x 5.9055 in.; 204 x 150 mm
