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 Engineer v 184 n 4794 Dec 12 1947 p 558-9)
Improved electric traction equipment
Engineering
Engineering ; 165 , n 4290
1948
2 pages
Article (Journal)
English
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