Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 33
en a great many modifications and improve-ments have been introduced, so that the machines of to-day,although depending for their action, like the earlier ones, uponthe same inductive principle by which mechanical force is trans-formed into electricity, are nevertheless far superior to them,both as… … Fig. 9. BRUSH S AUTOMATIC REGULATORS. 19-
Electrical engineering
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