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Paul Brandt
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14,021. Brandt, P. June 23. Dry batteries. - The cells of a dry battery each comprise electrodes a, b, c, between which is packed asbestos or like absorbent material, and a cover e fitted with a funnel f and an air-escape pipe g. When the cell is required for use, the exciting-fluid is poured into the absorbent packing through the funnel &c. f, which may be finally sealed.
GB190314021D1903-06-231903-06-23Improvements in Galvanic Batteries.
ExpiredGB190314021A
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