Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 223
Fig.1< Fia. IS. Fig. 19. Figs. 17-2.-Types of dynamos. Fig. 20. magnetism constant, and hence the E. M. F. generated is independent of changes in the ex-teriud circuit. Roth the preceding types of machines may be regulated eithoii by iiltering thesi)eed or by varying the magnetism passing…
Mechanical engineering
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