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

  • Edward Nairne
Date:
1783
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.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    [ ^7 ] the largeft ball muft be ufed, if weaker the next fmaller ones, and if very weak the metallic points. 13. If the machine be required to pro- duce its greateli efFeft, it iliould be ufed irl a dry warm room; for it is a fa6l w'ell known to eleclriciaris, that if the air be moift, the moifture will condu6l the elec- tricity away almoil as fail as it is excited. 14. If the axis and pivot upon which, the glafs cylinder turns fliould at any time want greafe, the cylinder may be taken out of its frame by unfcrewing the two fcrew^s at the top of the glafs pillar near the han- dle, and may be replaced after applying the quantity of greafe required. C H A ?.