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

  • Nairne, Edward, 1726-1806.
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.

    34/100 (page 28)
    may either be received from, or given to any other part by this apparatus, as it may be placed, by means of the joints, in any pofition, for that purpofe. 17. Plate III. Fig. 2. reprefcnts the manner of drawing fparks from and giv- ing fparks to the hand, exadlly as if it was elediiihed at the fame time by two dihindt cledlrical machines, namely, what is called a pofitiye and negative machine. Among the many proofs of the circuit of the eledtric matter, an elegant one is afforded by hanging the chain on the knob H of either of the condudlors in this ex- periment j for the paffage of the eledlricity is immediately difturbed by the communi- cation with the earth, and fparks pafs only between the hand and the condudlor which remains infulated. x8. By rhis apparatus fparks may at the fame time be drawn from any part, and given to any other part, without ufing the pledlrical llool: as, for example, luppofe them