Results of 15 mo operating tests demonstrating performance characteristics and merits of English Electric contactor group and master controller equipment; equipment was sealed and operated entirely without routine maintenance for this period.
Reducing trolleybus maintenance requirements
Transport World
Transport World ; 103 , n 3311
1948
Article (Journal)
English
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Engineering Index Backfile | 1948
Wire Requirements for Trolleybus Systems
Online Contents | 1994
|Engineering Index Backfile | 1939
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