. Electrical world. TOR.^GE BATTERY PL.\TES. separators, there is still left the probability of the plates short cir-cuiting around the edges and bottoms. This trouble has been cor-rected in a very simple and effective way by enclosing the positivesin an envelope of hard rubber, finely perforated along the faces, butimperforate along the edges and bottoms. With this envelope or. FIG. 2.—ASSEMBLED PLATES. sheath, there is used a grooved, imperforate sheet of specially treatedwood, thus, it is said, entirely doing away with any possibility ofshort circuit, either across the faces or around the e


. Electrical world. TOR.^GE BATTERY PL.\TES. separators, there is still left the probability of the plates short cir-cuiting around the edges and bottoms. This trouble has been cor-rected in a very simple and effective way by enclosing the positivesin an envelope of hard rubber, finely perforated along the faces, butimperforate along the edges and bottoms. With this envelope or. FIG. 2.—ASSEMBLED PLATES. sheath, there is used a grooved, imperforate sheet of specially treatedwood, thus, it is said, entirely doing away with any possibility ofshort circuit, either across the faces or around the edges of the plate,yet at the same time allowing free electrolytic action and circulationbetween adjacent Willard Co. states that the sheath used with its positive plate is June i8, 1904. ELECTRICAL WORLD and ENGINEER. 1171 not a new device, as it was successfully used several years ago inconnection with its standard batteries, but that its cost at that timeprecluded any idea of its general use. The company has recently putin new apparatus for producing these sheaths and so reduced the costas to make their general use practicable. The company still uses its familiar form of Plante positive, con-sisting of a sheet of pure rolled lead having fine, vertical grooves,but has changed to a cage type of pasted grid for its negativeplates, in this way adopting the par


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883