St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 45
Fig. 48. 42 VARIOUS VOLTAIC CELLS. … Fig. 46 shows a form with porous cup. The binding-post at the top of the carbon plate forms the + elec-trode, the currentleaving the cell at thispoint. 77/1? Gonda PrismCell (Fig. 47), is aform of Leclanche inwhich the depolarizeris in the form of acake. 58. Dry Cells areopen circuit cells, andcan…
Electricity
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