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Scientific American, Vol. 61, No. 12 (1889) (1889)

leaf 6

An illustration from Scientific American, Vol. 61, No. 12 (1889), 1889, leaf 6
ave cut out of a young The resistance thus introduced is equal to that of the angled arm, which extends over the upper base piece, rabbit not larger than a full-grown rat three hanging battery and galvanometer. Take from this quantity and is provided with a screw for clainping the latter in a kind… … the whole number of patients admitted, as in some : Fig. 2.—TANGENT GALVANOMETER. proportion would stand thus: cases there was a combination of causes. Unknown The winding of the ring is divided into five sections 1079 : EMF. 2,500 : 2,000 having different resistances, so that by meansof a plug…

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