. — E Fig. 23. Method of using rheocord. A, German silver wire; B, sHder; C, double binding post at lower end of German silver wire; D, battery; E, key; F, nerve bridg- ing the boot electrodes, the current being ascending. will ascend the nerve. Observe that the current passes down the fine German silver wire of the rheocord to the slider (B) and there divides, part going to the nerve and part going through the lower part of wire. At the double

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectphysiology, bookyear1