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Scientific American, Vol. 57, No. 12 (September 1887) (1887)

leaf 3

An illustration from Scientific American, Vol. 57, No. 12 (September 1887), 1887, leaf 3
tached to the railing, when the weight acts to return the gates to closed po- trains passing a crossing at the same time, or with a train backing down on a crossing after it has passed, sition, this cord also serving to enable the engineer or STUABT'S SHAFT COUPLING. the signal and the gate… … BINALDI'S GATE FOB ELEVATED BAILWAY STATIONS. tar and pitch when soft. © 1887 SCIENTIFIC AMERICAN, INC.

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