New current-collection problems have arisen in connection with development of modern trolley-bus system, resulting in several new devices, various types of construction and number of unusual installations; cost per mile for three types of tangent trolley-bus overhead, 100-ft. pole spacings.
Many factors affect cost of trolley bus overhead
Elec. Ry. Jl
Electric Railway Journal ; 75 , n 4
1931
4 pages
8 Figs.
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Overhead flexibility for trolley bus
Engineering Index Backfile | 1933
Specifications for overhead trolley construction
Engineering Index Backfile | 1913
Overhead construction for trolley bus
Engineering Index Backfile | 1929