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 339
Fig. 209. — Piston pump settingup pulsating current of water. 308 ELECTRICITY AND MAGNETISM Figure 210 shows clearly that a complete cycle of the alter-nating current is produced with each revolution of the pump- … Fig. 210. — Piston pump with by-pass setting up alternating current of water. driving shaft; that is, with each 360 degrees of angular motionof the shaft. We may, therefore, for the sake of convenience,divide the horizontal axis or zero line in our charts into 360parts for each cycle of the flow,…
Electricity · Magnetism
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