. French railways . SEMAPHORE, ETC. (nOED). signal post, and b} night a white light is the signal is at danger the train muststop, but may be authorized by the official incharge of the signal to proceed. (4) The red disc signal. This signal is around plate, painted red with a white edge. It FRENCH RAILWAYS 51 is moved in the same manner as the red and whitechessboard. By night it shows a red light for danger and a white light for line clear.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondonsmithelderco