| 11. | The depot was closed in 1956 because of declining business on the railroads and automatic signals had been installed.
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| 12. | In case of automatic signals, the upper and lower lights are vertically offset from each other or " staggered ".
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| 13. | In current British practice for example, automatic signals have a white rectangular plate with a black horizontal line across it.
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| 14. | In addition, the new model came equipped with an automatic signal to warn pedestrians that the car was being reversed.
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| 15. | Years later as rail business diminished the station at Linby was closed April 25, 1956, after automatic signals had been installed.
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| 16. | The system includes a sensor to tell the operator _ and the automatic signal system _ when everything is in place.
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| 17. | When this railway implemented the automatic signals on this line, they also introduced a unique " Stop and Proceed " rule.
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| 18. | The biggest flaw in the Whitworth automatic signal is probably that it had no redundancy, and a single stone might jam it.
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| 19. | "The lack of automatic signals and the reliance on manual switching is a major problem, " said a senior railway official here.
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| 20. | All editors coming to edit on AE is an automatic signal that they themselves are exposed to scrutiny, not only the subject.
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