Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1485
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…
