Automatic gate at entrance to each platform begins to shut astrain is coming in, remains shut while train is in station and opens again after it has left; diagram of motor and gate mechanism; apparatus can be operated automatically by train or by means of push buttons.
Automatic platform gates on the Paris metropolitan railway
Elec. Times
Electrical Times ; 73 , n 1907
1928
2 pages
4 Figs.
Article (Journal)
English
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Automatic platform gates on the Paris Metropolitan railway
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