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Description: | Supplementary Regulations for train signalling on double lines by the Absolute Block System where intermediate block signals intermediate block signals are provided & controlled from the signal box in the rear. Includes additional general instructions to signalmen. 8 pages. Produced by London Midland and Scottish Railway. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | railway operating document | Temporal: | Jan. 1947 | Source: | Science Museum | Creator: | London Midland & Scottish Railway | Identifier: | 2001-9404 | Go to resource |
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