Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 121
w» PRIMARY AND STORAGE BATTERIES … Fig. 139. — RolledNegative. This lead is not adapted to be mechanically self-support-ing, hence it is placed in the pockets of the grid, incasedin a thin sheet of perforated lead whichkeeps it in position. The box nega-tive plate is used with either the Man-chester plate or the Tudor positiveplate,…
Electricity · Electrical engineering
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