Walsh, David · London : Baillière, Tindall and Cox · leaf 26
negativeby — . Whatever the form of the cells or their method of coupling,the first + and the last — should be left free for connecting withthe coil. The practical bearing of the foregoing points lies in the use towhich the primary batteries are to be put. A large current is ELECTRICAL APPARATUS… … Fig. 4.—Cells in Series.*
X-rays · Radiography
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