Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 243
Fig. 122. Grooved Lead Plates. Using a paste of red lead and sulphuric acid the posi-tive plates are formed in the same way. The objection to a storage cell using these plates isthat after very little use they go to pieces. The changingof the red lead to the brown oxide, and the changing ofthe…
Electricity
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