Keywords: COMMUNICATIONS
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Journal Articles
The Institution of Civil Engineers Engineering Division Papers (1943) 1 (9): 1–21.
Published: 01 January 1943
...A E TATTERSALL © Thomas Telford and ICE 1943 LONDON AND NORTH EASTERN RAILWAY RAILWAYS SIGNALLING COMMUNICATIONS TRACK CIRCUITS EXTENSIONS CONTROL INTERLOCKING AUTOMATIC TRAINS APPROACHES LIGHTING COLOURS LIGHTS SIGNALS REMOTE OPERATIONS TRAFFIC SYSTEMS AUTOMATIC...
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