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Dr James Croll on Arctic Interglacial Periods
Mr A M Worthington on a Point in the Theory of Pendent
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according action appears arrangement average axis becomes bismuth calculated called cause cells charge chemical chloride circuit closed combination condition connected considerable considered constant containing copper corresponding curve depends described determined direction distance effect electric electromotive force employed energy equal equation error evident examined existence experiments expressed external fact formula further give given greater heat Hence increase iron junction lamp lead less light lines liquid lower magnetic matter maximum means measured mercury metals method motion nearly negative observed obtained ordinary passing Phil plane plates positive possible potential present pressure probably produced Prof quantity referred regard represents resistance respectively rotation salt shown side silver solution strength strip suppose surface suspended temperature theory thickness tion true unit voltaic wire zinc