Electric motor for drawbridges. Illustrated description of the new electric turning gear of a drawbridge at Bridgeport, Conn.
Electric motor for drawbridges
St Ry Jour
1889
Illustrations
Aufsatz (Zeitschrift)
Englisch
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Rail-end connections for drawbridges
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Yielding barriers close roads at Drawbridges
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Two drawbridges on the New York central railroad
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