Control system described covers whole of London's 343 1/2 mi of street car and trackless trolley routes; in addition to private telephone system, GPO line is also provided in control room; telephone instruments along routes are installed in small, metal boxes fitted on top on feederpillars, situated at half-mile intervals.
Control system for London transport tram and trollybus traffic
Passenger Transport J
Passenger Transport Journal ; 87 , n 2201
1942
5 pages
Article (Journal)
English
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