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A treatise on foreign vegetables. Containing ... such as are now commonly used in the practice of physick ... / Chiefly taken from the Materia medica of S.F. Geoffroy. By R. Thicknesse.
- Étienne François Geoffroy
- Date:
- 1749
Licence: Public Domain Mark
Credit: A treatise on foreign vegetables. Containing ... such as are now commonly used in the practice of physick ... / Chiefly taken from the Materia medica of S.F. Geoffroy. By R. Thicknesse. Source: Wellcome Collection.
459/492 page 441
![Drachms ; in Calcination twenty-fix Ounces, five Drachms and fifty-two Grains. It appears from this Analyjis, that Galls contain a large Quantity of thick fixed Sulphur, combined with an ammoniacal Salt. Moreover, Galls turn a Solution of Vitriol black or rather of a deep purple. For the alkaline Salt of the Galls joining itfelf to the vitriolick acid Salt, feparates from it the metallick Parts: Which then fubfide not to the Bottom ; but are united with the fulphureous Particles of the Galls floating in the Liquor, and are fuflained by them. By this Pro¬ perty an Infufion of Galls ferves Chymifts and Na- turalifls to try Mineral Waters : For if they contain a vitriolick Salt, or any Thing of Iron or Copper, it renders them black, violet-colour’d, purple, or tending thereto, according as they are more or lefs loaded with the metallick Salt. Galls are powerfully aflringent: Wherefore they are commended by many in Dyfenteries, Loofenefies and Hemorrhages. And very lately an antifebrile Virtue was difcovered in them. This Difcovery was made publick by M. Reneaume, a Phyfician of Paris, in the Memoirs of the Royal Academy of Sci¬ ences, Ann. 1711. They are given in Powder from ^fs. to 5j. at the Beginning of the Fit in intermit¬ ting Fevers, in thofe efpecially, fays M. Reneaume, which depend upon a lax Tone of the Stomach. They are applied externally to aflringe, repel, and to ftrengthen lax Parts. A Decodtion of them is ufed againfl: the bearing down of the Womb, and Return, and to prevent Fluxions upon them. Take Galls and Pomegranate-barks, a f]. Leaves of Sage, Laurel, Camomile, and Balauflines, a. p. ij. Boil them in rough Wine and Smith’s Water, q. f. and with the Decod&on foment the Part affedted. They](https://iiif.wellcomecollection.org/image/b30529529_0001_0459.jp2/full/800%2C/0/default.jpg)
