Regulations for train signalling on double lines of railway by the Absolute Block system and the Permissive Block system. Includes general instructions to signalmen. British Railways print of London Midland & Scottish Railway volume (2001-9401), 67 pages with some amendments, mint condition.
Details
- Category:
- Documents
- Object Number:
- 2001-9402
- Materials:
- linen covered card and paper (fibre product)
