Many railways have increased car speeds and weights and added power load without improvements in overhead; small factors of safety are insufficient when deterioration occurs; a slack trolley wire is lineman's enemy; rustproofing pays; in this article no attempt is made to discuss relative merits of direct suspension system and catenary system other than is necessary to emphasize fully thought of correcting common errors in overhead line maintenance; span wires and span insulation; association committee assists in improvement of practices.
Neglected overhead
Elec. Ry. Jl
Electric Railway Journal ; 71 , n 11
1928
4 pages
9 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1942
|Online Contents | 1995
|Emerald Group Publishing | 1930
Neglected conventional bearings
Engineering Index Backfile | 1965
|Emerald Group Publishing | 1946