Fixed-contact apparatus on track; self-acting electric-motor whistle; brush on locomotive; warning signals showing passage of trains at distant signals.
Repetition of signal positions in engine cabs, northern of France railway
Ry. Engr
Railway Engineer ; 48 , n 568
1927
3 pages
10 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1903
Automatic stopping of trains and repetition of signals in the cabs
Engineering Index Backfile | 1922
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