Development of overhead equipment for trolley coach operation during past 20 yr has been concentrated mainly on current collection, hangers and insulation, curve materials, and turnouts and crossovers; progress achieved is reflected in present higher service standards. Paper 42-51, before Am Inst Elec Engrs. (Trans)
Progress in development of trolley coach overhead reflected in higher service standards
Elec Eng
Electrical Engineering ; 61 , n 4
1942
7 pages
Article (Journal)
English
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