. The Street railway journal . arts. The filling for the battery plates ischemically pure lead which has been found in practice togive a useful working output of about 20 per cent, greaterefficiency than is possible with batteries employing amechanically filled plate of lead oxide alone, which neces-sarily contains large quantities of impurities. Between each set of plates there is placed a sheet of aporous separating material, the edges of which are sat-urated with a preservative compound and which has been treated until it becomes practically indestructible in theelectrolyte, and capable of
. The Street railway journal . arts. The filling for the battery plates ischemically pure lead which has been found in practice togive a useful working output of about 20 per cent, greaterefficiency than is possible with batteries employing amechanically filled plate of lead oxide alone, which neces-sarily contains large quantities of impurities. Between each set of plates there is placed a sheet of aporous separating material, the edges of which are sat-urated with a preservative compound and which has been treated until it becomes practically indestructible in theelectrolyte, and capable of absorbing about fifty times itsown weight of the acids used in the battery. The latter,in fact, becomes nearly a dry cell, as there is very littlefree liquid to become spilled. Should the rubber cell everbecome broken, the liquid held in suspension in the sep-arating material is sufficient to operate the car properlyduring a trip. In order to prevent splashing of the freeliquid, the cell is made very deep, and as an additional. FIG 2 —FIELD —SILVEY MOTOR precaution a sort of wooden crate, also shown in Fig. 3, isplaced on top of the plates, dividing the interior of the cellinto small pockets, preventing the formation of waves inci-dent to a car in rapid motion over an uneven road. In the operation of the car 108 cells of battery areemployed, each cell weighing twenty-seven pounds, mak-ing a total weight of batteries of about 3,000 lbs., whichpractice has demonstrated will in every day service operatethe car about thirty miles at each charge running at full
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
