Simplification of operation and control of New York, New Haven and Hartford bridge across Norwalk River at South Norwalk, Conn., by change from steam to electricity; wiring diagram shows features of interlocking between bridge operation and traffic signal system; equipment is illustrated.
Electricity simplifies operation of railroad bridge
Elec. World
Electrical World ; 98 , n 19
1931
2 pages
2 Figs.
Article (Journal)
English
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