St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 67
iUpass through the liquid be-tween A and B at first, but itwill quickly become weaker, as chemical changes takeplace in the liquid. This may be shown by a galva-nometer put in the circuit before beginning the experi-ment. By disconnedling the wires from the cells andjoining them to the… … THE STORAGE BATTERY, AND HOW IT WORKS. 65 The first storage cells were made of plain lead plates,rolled up in such a way that they were close to eachother, but did not touch. These were placed in dilutesulphuric acid. They were charged in alternate direc-tions several times, until the lead became…
Electricity
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