Augustus Desiré Waller Quotes

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Our new bit of knowledge is about the human heart, not in a metaphysical or figurative sense, not its motives, but only its action, not its power, but its electrical potential. Put into a single sentence, I am going to describe how the heart of man can be shown to act as an electrical organ, and what we learn from such action.

Augustus Desiré Waller

If a pair of electrodes (zinc covered by chamois leather and moistened with brine) are strapped to the front and back of the chest, and connected with a Lippmann's capillary electrometer, the mercury in the latter will be seen to move slightly but sharply at each beat of the heart.... The electrical variation precedes the heart's beat.

Augustus Desiré Waller