Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1479
Fig. 694grooved lead plates acid and precipitated* as lead chloride on the addi-tion of hydrochloric acid. This chloride washed and driedforms the basis of the material which afterwards becomesactive in the negative plate. The lead chloride is mixedwith zinc chloride^ and melted in crucibles^ then…
