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Description: | Instructions booklet, Southern Railway, 'Introduction of Colour Light Signals in Place of Existing Semaphore Signals Between Holborn, St Paul's and Elephant and Castle on Sunday March 21st 1926', Signal instruction No. 10 (1926), Issued by Edwin C. Cox, Printed by Waterlow & Sons Limited., London, 1926. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | booklet | Temporal: | 1926 | Source: | Science Museum | Creator: | Waterlow & Sons Limited | Identifier: | 2008-8213 | Go to resource |
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