The general and particular principles of animal electricity and magnetism, &c. In which are found Dr. Bell's secrets ... / [John Bell].

  • Bell, John
Date:
1792
Catalogue details

Licence: Public Domain Mark

Credit: The general and particular principles of animal electricity and magnetism, &c. In which are found Dr. Bell's secrets ... / [John Bell]. Source: Wellcome Collection.

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    [ 20 ] - Aétion and re-action are commonly more fenfi- ble at a certain diftance than in too near a pofition ; becaufe that reciprocal fenfations are confounded, and have no diftin@tive charaéter whilft pafling through the medium of the furrounding fluid, of which all the molecules are elaftic ; ; thofe ferving as. conductors to actions, act again in proportion t to obftacles inténded to be overcome, cag fometimes happens, that though fa exiftence of ‘a difeafe be evidently demonftrated by certain unequivocal fiens, yet the action of the univerfal agent in its immediate application, is infenfible to the patient. : In to a cafe, we ought to think that this fluid imperceptibly paffes on the local vice, becaufe of obftacles being too ancient, and confequently in a {tate of tooconfiderable cohefion, that the mafs of the fluid molecules exifting between the patient and the magnetifer, is not ftrong enough in proportion to the refiftance of cohefion to be overcome, Then, . after having been in communication with the patient, by touching, one directs the extremities of the hands over the parts which are fuppofed to be affected. In this fituation, with fome degree of attention to articular fenfations, one mutt feel at the extremities of his fingers, a re-action of heat or cold, or fupine- nefs, which fhall give notice to the operator of the effect produced of the particular feat of re-action
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