Advantages and disadvantages of following types of regulators: solenoid, motor operated, and vibratory contact. (See also Elec. Rev., vol. 107, no. 2765, Nov. 21, 1930, pp. 856-857)
Electric train-lighting equipment
Ry. Engr
Railway Engineer ; 51 , n 600
1930
4 pages
53 Figs.
Aufsatz (Zeitschrift)
Englisch
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Electric train-lighting equipment
Engineering Index Backfile | 1930
|Electric train-lighting equipment
Engineering Index Backfile | 1930
|Electric train-lighting equipment
Engineering Index Backfile | 1930
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