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 285
FlO. 17.,. — Portable fanoperated by a Berieamotor. … Sewing machine run by a shuntmotor. DIRECT-CURRENT MOTORS 255 here. Figure 175 showsan ordinary portableelectric fan; figure 176a sewing machine witha motor; and figure 177a small refrigerating ma-chine with a cooling coilto put in the refrigeratorin the place of ice, thecompressor pump beingdriven…
Electricity · Magnetism
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