A treatise of the nature and use of the bitter purging salt. Easily known from all counterfeits by its bitter taste / Written originally in Latin ... And now published in English, by Joseph Bridges. With animadversions of a late corrupt translation publish'd by Francis Moult.

  • Nehemiah Grew
Date:
1697
Catalogue details

Licence: Public Domain Mark

Credit: A treatise of the nature and use of the bitter purging salt. Easily known from all counterfeits by its bitter taste / Written originally in Latin ... And now published in English, by Joseph Bridges. With animadversions of a late corrupt translation publish'd by Francis Moult. Source: Wellcome Collection.

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    It is very well knqwn, that all Acidulated jai Tran-Waters, will turn Purple with the Infufion of jt? a Dyers Gall : As will alfo White-wine Vine- | bo gar, but of aduller Colour. But the fame'Infufion ji with the Spirit of the Purging Salt, though anb Acid, yet makes no alteration: nor with. Sprrit itil of Sulphur, nor with Or of Vitriol ; whereby, as iin well as by fandry other ways, the different na= #1 ture of thefe and other Acids is difcover'd. Having poured fome Riveremater into eight teh Drinking-glaffes, and given them all the famejhn blew Colour with afew drops of Syrup of Violets,)p, t I let one of them ftand without any thing elfe bit: füperadded. To another, I put a little Aitre tin To athird, as much of the bitter Purging Salt.) To a fourth, the Infufion of Quick-lime made with fair Water, commonly called Lime-Water.} Toa fifth, a Solution of the Calx of the Purging} Salt, Toa fixth, the Infu/ion of white Tartar. Voy a feventh, the diftill’d Spirit of the Purging Salt.\ To the laft, a little both of the Calx of the Purging Salt, and of Leme-water. Fics In the three firft, the blew Colour remained fii, without alteration, faving that it grew a little ty “paler. » In the fourth and fifth, the {aid Blew was pre-Mhi; fently changed into a Green: but in the former,§ fomewhat muddy and a little paler 5 in the latter, fy ‘deep and clear, like that of an Emerald. Hhe Inthe fixtb and feventh, it turned Purple: butt ; in the former, dull; in the other, like that of] an Amethy/t. The]