Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 417
tricity of the armature Mis produced upon the conductor n z s (excited by induction), giving tothe ball «, the negative electricity —U, the positive electricity-I E having escaped by the points n upon the face r r of the plate(Fig. 2 and Fig. 3) •which carry it away during the movement of theplate.… … Stroumho—Holtz Electrical Machine. 359
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