An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 461
rnrr-r W— R*m-^[ … Fig. 286. — Early Edison electric-light station, (a) exteriorview and (6) interior view of first hydroelectric central sta-tion in U. S. Capacity 250 lights. POWER STATIONS AND DISTRIBUTION OF POWER 413 operated on a low voltage so as to economize on the numberof cells required for the storage…
Electricity · Magnetism
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