An elementary book on electricity and magnetism and their applications . Fig. 201. — Positive and negative plates of an Edison storage cell. plated steel grid holding a number of perforated rectangularpockets, which are filled with powdered iron oxide. Theseboxes are assembled in the grid and subjected to pressure toweld the joints and to corrugate their surfaces. In formingthe plates the iron oxide is converted elect rolytically to metalliciron. The two sets of plates are sandwiched together withthe adjoining plates separated by strips of hard rubber. The ELECTROCHEMISTRY. STORAGE BATTERY 295
An elementary book on electricity and magnetism and their applications . Fig. 201. — Positive and negative plates of an Edison storage cell. plated steel grid holding a number of perforated rectangularpockets, which are filled with powdered iron oxide. Theseboxes are assembled in the grid and subjected to pressure toweld the joints and to corrugate their surfaces. In formingthe plates the iron oxide is converted elect rolytically to metalliciron. The two sets of plates are sandwiched together withthe adjoining plates separated by strips of hard rubber. The ELECTROCHEMISTRY. STORAGE BATTERY 295 whole thing (Fig. 202) is very compact and rugged in its con-struction. 202. Characteristics of an Edison battery. The voltage ofthe Edison cell at its normal discharge rate is only volts. Negative Filler Cap Positive Pole• Pole
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmagnetism, bookyear19
