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- · New York, T. Audel · leaf 219
BEAUME AtlDSCALES … CZD Figs. 1.080 to 1,084.—Acid hydrometers for liquidsheavier than water. Fig. 1.080, standard storagebattery hydrometer with guiding points designedfor hydrometer synngc, shot bulb, with red lineat 25 Baum6, 5 inches long, double scale 10 to 40Baume. I.U.^0 to 1.400 specific gravity. Fig.…
Electrical engineering
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