Copy 1
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.
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![The thick, black and foetid Oil, is either dif- folved in Spirit of Wine and filtred through Cap- Paper, and fo put by; or is mixed with a triple Quantity of common Salt calcined and powdered, and being diftilled from a Glafs-Retort in a Sand- Heat, comes over more fluid, red and lefs foetid, and fo is preferved for Ufe. Another dfential Oil, which is tranfparent and not foetid, is drawn from Guaiacum thus. Take of the Shavings of Guaiacum ifciv. Sea- Salt ifej. common Water fbxxiv. Let them macerate together in a clofe Veflel for two or three Months. Afterwards diftil with a ftrong Fire in an Alembick with a Refrigera¬ tory and thus will be drawn off a turbid Water loaded with an dfential Oil, which gra¬ dually fubfldes to the Bottom. When the Water is quite clear, decant it, and the yel¬ low, odorous, pellucid Oil, remaining in the Bottom of the Veflel, is called the dfential Oil of Guaiacum. Take Ethiops Mineral and prepared Wood-lice a giv. the diftilled Oils of Amber and Guai¬ acum a ^fs. Gum Ammoniack reduced to Pow¬ der ^j. Mix, and with q. f. of any proper Syrup, make an Eleduary for cancerous Tu¬ mours. The Spirit of Guaiacum provokes Sweat and Urine. It is given from 3]. to §fs. in a Deco&ion of the Wood, againft Catarrhs, rheumatick Pains, and Palftes : Sometimes alfo it is joined with S11- doriflcks and Alexipharmacks, and is commended in peftilential and malignant Fevers. The black Oil is feldom given inwardly, by Reafon of its foetid Smell. Externally applied it I 4 powerfully](https://iiif.wellcomecollection.org/image/b30529529_0001_0137.jp2/full/800%2C/0/default.jpg)
