Practical analysis of curve erection; mathematical analysis of operating characteristics pertaining to trolley wheel, trolley boom, trolley cord and curve of trolley wire; railless electric vehicles; trolley bases; trolley heads and sockets; lubrication of trolley wheels.
Why do trolleys leave wire?
Tramway Ry World
Tramway and Railway World ; 71 , n 8
1932
5 pages
Aufsatz (Zeitschrift)
Englisch
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