Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 779
box, and provided with twogrooves. These plates are placed at opposite ends of the box,and receive two cells, forming a couple. Fig. 495 shows such acouple between the two glass guides, the box of course not beingindicated. The lead rheophores are alternated, and are solderedto the envelope of the… … Fig. 493. the lead rheophores are above the top of the trough, and are
Electrical engineering
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