A summary of the principal automatic train stops now in use, with notes on some of the more recent experiments. (2000 w.) (No. 36069)
Automatic train stops
Ry Age Gaz
1912
Aufsatz (Zeitschrift)
Englisch
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Automatic interlocking eliminates train stops
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Automatic signals and train stops
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Automatic interlocker saves over 8000 train stops annually
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Automatic train stops on the Chicago and eastern Illinois
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