Societies and Academies



    Royal Society, Jan 6.-On the length of the Spark from a Battery of 600, 1,200, 1,800, and 2400 rod-Chloride of Silver, and some Phenomena attending the Discharge of 5,640 Cells. By Warren De La Rue, D.C.L., F.R.S., and Hugo W. Muller, F.R.S.

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