Eight Lectures On the Signs of Life From Their Electrical Aspect
The book Eight Lectures On the Signs of Life From Their Electrical Aspect was written by author Waller, Augustus Désiré, 1856-1922 Here you can read free online of Eight Lectures On the Signs of Life From Their Electrical Aspect book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Eight Lectures On the Signs of Life From Their Electrical Aspect a good or bad book?
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§ 28. Experiment IV. — You have just witnessed the third experiment in one form, demonstrating to you physiological after-effects, and you will have no difficulty now in following the steps by which I am about to make it in another form, to demonstrate to you these same after-effects inclusive of their earliest visible manifestations, which I have referred to as the effects. I do not think that the distinctive words are justified by any distinction of phenomena ; their use has, however, been pr...essed upon me by the necessity of distinguishing between the results of two methods. A fresh eyeball (that has just been tested by the assistant and found to respond normally to light) is set up between elec- trodes, and I intend to send through it and through the gal- vanometer a break induction shock of suitable strength, first in one, then in the other direction. The strength taken as suitable is one that gives through a circuit of resistance equal to that formed by eyeball electrodes and galvanometer, a distinct and equal swing of the spot to the right and to the left, and that if sent through the eyeball is fully adequate to arouse a normal (positive) blaze.
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