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 214
k^ Fig. l.OG.?.—Vent Fig. 1.004.—Pillar plug. connecting strap. … Fig. 1,005.—Hard rubber jar. Fig. 1,006.—Complete element. Fi&8. 1,058 to 1,066.—Parts of the Willard Autex automobile cells. STORAGE BATTERIES 903 Oues. What is done to make the Plante plate moreefficient? Ans. The surfaces are finely subdivided, the following meth-ods being those common:…
Electrical engineering
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