An essay on the theory and practice of medical electricity / by Tiberius Cavallo.

  • Cavallo, Tiberius, 1749-1809.
Date:
1780
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the theory and practice of medical electricity / by Tiberius Cavallo. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    tremities of the wires within it are confi- derably far from each other, is very little, if at all fenfible.—Farther, it feems plain, that if inftead of one tube, the difcharge of the jar was made through one hundred or one thoufand tubes, the impulfe of the ihock would be proportionably lefienecL; and indeed we can hardly form any idea of the fmallnefs Of its power in that cafe. How happens it then that a very fmall Ihock fent acrofs the arms of a man, which Ihock, we may reafonably fuppofe, does not occafion any fpark within the vefiels of the body, is feniibly felt, and produces an involuntary motion, when it pafles through innumerable vefiels filled with fluids, which are far better conductors than water ? The fubftance of the vefiels of the hu- man body is certainly a lefs good con- ductor than the fluids contained in thofe vefiels ; but it can hardly be fufpeCted, that the eleCtric fluid occafions the invo- luntary motion, &c. by going through that fubftance rather than through the fluids, which are much better conductors. Perhaps that fudden involuntary motion is H 4 produced