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.

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    the pillars B B and D D. This flaould be done every time the machine is ufed, and likewife while it is ufing, if worked for any length of time. If the air be very moift or damp, or the machine has been, kept in a damp place, (which fhould be avoided, if poffible) it will be proper to dry the whole machine gently, except the cuJJnon, by placing it at a diftance of about four feet from the fire; but this will be very feldom neceffary, if the machine is ufed in a room with a fire. The cuihion I, with its filk K, muft alfo be wiped clean from dufi;; and any amalgam which may loofeJy adhere to them, muil: alfo be wiped off; and if the weather is damp, or the ma- chine has been kept in a damp place, the filk K fhould then be gently dried before the fire, but not the cuJl:ion I, only the filk K of the cufhion. The befl way is to hold fomething before the cufhion, to keep the heat of the fire from it, when the filk K is drying. The wood of the cufhion beino-