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 272
Fig. 169. — Starting box with overload release and diagram of connections. 166. Starting and stopping motors. When a shunt-woundmotor is to be started, the first thing is to see that the contactlever of the starting box is in the off position. Then themain switch may be closed. The contact lever of…
Electricity · Magnetism
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