An international system of electro-therapeutics : for students, general practitioners, and specialists . - the deflections of the galvanometer-needle. In all instances it is shown that the current passes from thelongitudinal surface through the galvanometer to the transverse sec-. ELECTRO-PHYSIOLOGY. B-13 tion, and then through the muscle to the original point of departure; inother words, the former surface is electrically positive to the latter, whichis electrically negative. The two points exhibiting the greatest differ-ence of potential, and, consequently, giving rise to the most powerfulcu
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An international system of electro-therapeutics : for students, general practitioners, and specialists . - the deflections of the galvanometer-needle. In all instances it is shown that the current passes from thelongitudinal surface through the galvanometer to the transverse sec-. ELECTRO-PHYSIOLOGY. B-13 tion, and then through the muscle to the original point of departure; inother words, the former surface is electrically positive to the latter, whichis electrically negative. The two points exhibiting the greatest differ-ence of potential, and, consequently, giving rise to the most powerfulcurrent, lie in the equator and in the centre of the transverse section.Currents of gradually-diminishing intensity are obtained when the elec-trode placed on the longitudinal surface is removed from the equatortoward either extremity. Feeble currents are developed when twopoints, situated at unequal distances, either on corresponding or oppo-site sides of the equator, are connected ; in either case, the current flowsfrom the point lying nearest the equatorto the point farthest from it. Similarcurrents are obtained when two pointson the cross-section, situated at unequaldistances from the central axis, are united, in which case the direction of the currentwill be from the poi