Construction, operation and performance features of "PA" control panel manufactured by Crompton Parkingson, Ltd; equipment is designed to group all control units on one panel, and provides simplified interlocking and greater ease of inspection and maintenance.
Trolleybus control simplified
Passenger Transport J
Passenger Transport Journal ; 95 , n 2414
1946
4 pages
Article (Journal)
English
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Engineering Index Backfile | 1939
|Engineering Index Backfile | 1946
Engineering Index Backfile | 1947