. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . mum, thereby increasing the voltage characteristic of the 123 Storage Battery Manual cell and with the consequent increased electrical efficiency, the porosity ofthese Tubber separators is made as high as possible consistent with propermechanical strength and stability of the sheet. Moreover, the fineness ofthe porosity of these rubber sheets constitutes an essential factor in retainingthe active material of the positive plates in positi
. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . mum, thereby increasing the voltage characteristic of the 123 Storage Battery Manual cell and with the consequent increased electrical efficiency, the porosity ofthese Tubber separators is made as high as possible consistent with propermechanical strength and stability of the sheet. Moreover, the fineness ofthe porosity of these rubber sheets constitutes an essential factor in retainingthe active material of the positive plates in position, as has been describedabove. This porosity, as used in the rubber separators for the naval service,runs from 35 to 36 per cent, which means that in every square inch of sur-face area of the separator sheet, the perforated area in this square inchamounts to from 35 to 35 per cent. There is shown in Fig. 39 an illustrationof a pair of separators such as are used in the wood and rubber combina-tion type. There are various types of these rubber separators, some of which containvertical reinforcing ribs, while others contain no ribs. It may be said
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectstorage, bookyear1920
