. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . Fig. 140.—Badly Sulphated Groups Which Would Show Below Normal on Cadmium Test. The treatment required to restore the capacity of such plates is a series ofcharges and discharges (treating cycles) at a very low rate and in electrolyteof comparatively low specific gravity (). The Standard Negative Electrode Test.—For laboratory work in con-nection with ascertaining the relative states of charge of storage batteryplates some battery e
. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . Fig. 140.—Badly Sulphated Groups Which Would Show Below Normal on Cadmium Test. The treatment required to restore the capacity of such plates is a series ofcharges and discharges (treating cycles) at a very low rate and in electrolyteof comparatively low specific gravity (). The Standard Negative Electrode Test.—For laboratory work in con-nection with ascertaining the relative states of charge of storage batteryplates some battery engineers prefer to use a standard negative electrodeinstead of the cadmium stick described in the preceding paragraphs. Thiselectrode consists of an ordinary negative plate which at all times is kept ina perfectly healthy and fully charged condition. The method of using suchan electrode for this purpose is practically identical with that which hasalready been described for making the cadmium test, with the exception,however, that the values of the differences of potential are obviously not thesame as in the cadmium test. CHAPTEE XXVIII. MISCELLANEO
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