Experiments and observations relative to the influence lately discovered by M. Galvani, and commonly called animal electricity / [Richard Fowler].

  • Fowler, Richard, 1765-1863
Date:
1793
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Licence: Public Domain Mark

Credit: Experiments and observations relative to the influence lately discovered by M. Galvani, and commonly called animal electricity / [Richard Fowler]. Source: Wellcome Collection.

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    ( *73 ) I communication through a dry tooth. If* while the outer ends remain in contact, I touch the filver with the tip of the tongue, ftiil no twitch is felt in the tooth. If I now feparate the outer ends of the metals, keep¬ ing the tongue applied to the filver, a flight twitch is felt in the moment of feparation, and a ftrong double twitch when they are again brought into contact. N. B. This twitch is prevented, by allowing the tongue or lip to touch any part of the zinc. , . I ♦ s , > { to . 6. I had a number of pieces of zinc made of the fize of a fhilling, and made them up into a rouleau, with as manyfhillings. I find that this alternation, in fome circumflances, increafes confiderably the irritation, and ex¬ pert, on fome fuch principle, to produce a llili greater increafe. If the tide of the rou¬ leau be applied to the tongue, fo that all the pieces are touched by it, the irritation is very ftiong and difagreeable. This explains what I have often obferved, the ftrong tafte of foldered beams of metal. I can now per¬ ceive