An essay on fire / by Mark Augustus Pictet. Translated from the French, under the inspection of the author, by W.B., M.D.

  • Marc-Auguste Pictet
Date:
1791
Catalogue details

Licence: Public Domain Mark

Credit: An essay on fire / by Mark Augustus Pictet. Translated from the French, under the inspection of the author, by W.B., M.D. Source: Wellcome Collection.

    28/330 page 8
    It may be confidered under four points of new. i ft. Libera -ted fire. ( 8 ) Finally, the celebrated chemifts, who have lately propofed a new nomencla- ture, call it caloric ; a happy expref- lion, which, without doubt, will be univerfally adopted. § 6. Reflecting on the igneous phenomena prefented by the whole of the difcoveries made until the prefent day, it appears that they may be clafled under thefe four heads, viz. liberated fire, fpecific heat, latent heat, and che- mical or combined fire ; which fhews us this element under fo many different points of view. We may confider it, -firft, as produced or developed in a certain place by any caufe whatfo- ever, and tending to expand itfeif around the centre or focus as an invifi- ble emanation, which moves accord- ing to certain laws, with a certain velo- city; which penetrates more or lefs • readily
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