Abstract
AS it was not possible to show the actual experiments, Dr. Waller illustrated his lecture by diagrams, and introduced his method of presenting them on the screen by placing in the lantern smoked plates on which he sketched in view of the audience of the diagrams of the apparatus (battery, induction coil, electrodes, galvanometer) employed in the experiments, and showed the methods by which the photographic records were obtained.
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The Electrical Signs of Life and their Abolition by Chloroform 1 . Nature 74, 447–448 (1906). https://doi.org/10.1038/074447a0
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DOI: https://doi.org/10.1038/074447a0