Experiments and observations relating to acetons acid, fixable air, dense inflammable air, oils, and fuel ; the matter of fire and light, metallic reduction, combustion, fermentation, putrefaction, respiration and other subjects of chemical philosophy / By Bryan Higgins, M. D.

  • Higgins, Bry. (Bryan), 1737?-1820.
Date:
1786
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Licence: Public Domain Mark

Credit: Experiments and observations relating to acetons acid, fixable air, dense inflammable air, oils, and fuel ; the matter of fire and light, metallic reduction, combustion, fermentation, putrefaction, respiration and other subjects of chemical philosophy / By Bryan Higgins, M. D. Source: Wellcome Collection.

    338/376 (page 320)
    As the mere acetous acid confifts of thi gravitating parts of empyreal air, of phlo- gifton, and the acid principle of vegetableSi and by the acceffion of the matter of fire only, makes two different elaftic fluids* namely fixable air, and denfe inflammable airj it follows from thefe notions, that the gravitating parts of thefe two airs would make acetous acid again,'with water, if / the matter of fire could be withdrawn from them ; and I venture to prognofticate that this, or fomething equivalent, will be done by the firfl ingenious experimenter that at- tempts it, either by the means of a body which may abforb the gravitating, matter of both, and exclude their atmofpheres, or by breaking the atmofpheres in the manner which I am to deferibe in the next fedion. There is undoubtedly a natural limita* tion, as we formerly obferved, of the forces with which the grofs parts of divers elaftie fluids compel, and are compelled by their refpedive atmofpheres; but flill thefe forces are fo great, that we cannot form adequate ideas df them, without refled-