. Eight lectures on the signs of life from their electrical aspect . o mins Fig. IO.—Frog's eyeball. Galvanometric record of five successive normal responses to light; each illumination lasts for one minute. at the cessation of illumination, after which the current gradually falls to its original level. This has been no excep- tional result, but the typical and regular mode of response of a normal careiully prepared eyeball; the photographic record of five such responses taken on a more slowly travelling plate will be sufficient evidence of this. In each case there is deflection in the positiv
. Eight lectures on the signs of life from their electrical aspect . o mins Fig. IO.—Frog's eyeball. Galvanometric record of five successive normal responses to light; each illumination lasts for one minute. at the cessation of illumination, after which the current gradually falls to its original level. This has been no excep- tional result, but the typical and regular mode of response of a normal careiully prepared eyeball; the photographic record of five such responses taken on a more slowly travelling plate will be sufficient evidence of this. In each case there is deflection in the positive direction at " make " of light, during light, and at " break " of licrht. 15. Furthci' points,—There are several subordinate points
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1903
