Increased acceleration and braking of railway and tramway vehicles are among advantages claimed for new class of control gear evolved by Crompton Parkinson, Ltd, in collaboration with Allen West and Co: system originated in United States under name of "Vambac" (variable automatic multi-notch braking and acceleration control). (see also Engineering v 165 n 4290 Apr 16 1948 p 368-9)
Improved electric traction equipment
Engineer
Engineer ; 184 , n 4794
1947
2 pages
Article (Journal)
English
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