Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 184
Positive .plate Negative plate. Fig. 173.—Plates of an Edison Battery. The tank, which is made of cold rolled steel welded at the joints,is corrugated for strength as shown in Fig. 175 and is heavilynickel plated as a protection against rust. The cover is of the 160 PRINCIPLES OF ELECTRICAL…
Electrical engineering
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