. Eight lectures on the signs of life from their electrical aspect . Fig. 26.—Frog's skin on a perforated glass or ebonite plate, between unpolar- isable electrodes. The external surface of the skin is uppermost. The arrows signify the direction of " normal cur- rent " — " ingoing," from external to internal surface.

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1903