St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 166
Fig. 250. … Fig. 251. convert it into steam. The various parts of the centralstation merely aid in this transformation of energy. The dynamos are connedled to the engines by belts, or 164 A WORD ABOUT CENTRAI^ STATIONS. they are direcft counedled. Figs. 250, 251, show dj^namosconnecfted to engines without…
Electricity
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