Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 190
ning compounds. Repeated saturation anddrying will soon destroy leather. Leather well filled with tanners greaseor animal oil, if allowed to hang in a warm room for several monthswithout handling, will dry out, become harsh, and will readily crack. 8. A running belt is stretched and relaxed at… … a iF 13 £3-,E —■ * Figs. 449 to 451.—Method of aligning engine and dynamo. In fig. 449, a line is stretchedfrom A to E and the dynamo shifted until the line contacts with points A, D, I, and E.In a small dynamo, the pulley may be loosened and set back on the shaft as in fig. 450,while lining up the…
Electrical engineering
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