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William Smith Ratcliffe
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Individual
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Individual
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Publication of GB190700837ApublicationCriticalpatent/GB190700837A/en
837. Ratcliffe, W. S. Jan. 12. Indicators, " engaged " and like.-In means for locking all the carriage doors of a railway train simultaneously from the guard's van, indicators are placed on each door to show whether the door has been locked or not. The bolt d shot into the door socket c<1> by the guard presses against the plunger p, which is connected by cords with sliding indicator plates s, Fig. 3, on both sides of the door. An indicator is also placed in the engine cab or guard's van at the end of the main operating-cord.
GB190700837D1907-01-121907-01-12Improvements in Means for Controlling the Locking of Railway Carriages and the like.
ExpiredGB190700837A
(en)