Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 249
FlO. 219. … Fio. 220. Electric Pumps. 251 Fig. 217, on page 247. shows n four-pole generator designed torun by a belt or ilircclly connected to an engine. The fiveparts named, as the principal parts of a dynamo, are all shownin the figure. The machine is arranged ready to be bolted tot! c floor. Fig. 219 on…
Hydraulic machinery · Pumping machinery
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