Changes in design of d-c machines have not been as fast as speed at which they are now traveling; article discusses how steady, systematic research is bringing about greater reliability, improved performance at lower maintenance costs.
Slow speed revolution
Allis-Chalmers Elec Rev
Allis-Chalmers Electrical Review ; 5 , n 2
1940
4 pages
Article (Journal)
English
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Online Contents | 1994
Engineering Index Backfile | 1929
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