ORIGINAL PATENT APPLICATION NUMBER 520,580 FOR IMPROVEMENTS IN OR RELATING TO RAILWAY SIGNAL AND OR POINTS CONTROL EQUIPMENT. (LONDON).
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Book Details
Author(s)
John Balman Griffiths, Andrew Brown and Thomas Alfred Marshall. Standard Telephones and Cables Ltd.
Publisher
HMSO
ISBN / ASIN
B0037M170K
ISBN-13
978B0037M1708
Marketplace
France 🇫🇷
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