The description and use of Nairne's patent electrical machine / with the addition of some philosophical experiments, and medical observations.

  • Edward Nairne
Date:
1793
Catalogue details

Licence: Public Domain Mark

Credit: The description and use of Nairne's patent electrical machine / with the addition of some philosophical experiments, and medical observations. Source: Wellcome Collection.

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    [ *5 ] 8. The condudor Rj connected with the cufhion, is that which is ufually called the negative one. 9. The conduflor G is commonly called the pofitive one. 10. If the cylinder be excited while the chain b hangs on the knob H of the con- ductor R, and a perfon applies his knuckle, or any blunt conducting bodyj to G, with- in the ftrlking diftance, he will then receive pojitive/parks on the knuckle; or conduct- ing fubftance, from the conductor G. 11. Or if a perfon be placed on the in- fulated ftool O, while it is connected with the conductor G, by means of the com- pound joint d, and the flexible joints f f f g. Plate IV. fig. I. any other per- fon Itanding on the ground, prefenting his knuckle, or any blunt conducting body, to the perfon on the {tool, will receive po- fitive fparks from the infulatcd perfon. 12. But if the chain b be hung on the knob H of the conductor G, and a per- E fon