A dissertation on the contents, virtues and uses, of cold and hot mineral springs; particularly, those of Scarborough: in a letter to Robert Robinson. Esq., recorder of that corporation / [Peter Shaw].
- Shaw, Peter, 1694-1763
- Date:
- 1735
Licence: Public Domain Mark
Credit: A dissertation on the contents, virtues and uses, of cold and hot mineral springs; particularly, those of Scarborough: in a letter to Robert Robinson. Esq., recorder of that corporation / [Peter Shaw]. Source: Wellcome Collection.
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![C *3 ] them black; Spirit of Vitriol, white j Tincture of Hrafil Wood, red; and when uled, change l.is Silver in your Pocket, to a yeilow, or Gold Colour, The Fourth and laft Principle is a Vitriol of Iron, bearing a Proportion to the Water, of about One to One hundred and fixty, prefum’d (a fin all Portion of it) to be in the Sediment $ becaufe it has been found, that when a Pre¬ cipitation of the Scarborough Spaw Water has been made with Powder of Galls, it turns black, and when dry’d and fcorch’d, fhews fome conliderable Particles of Iron, that rife to the Loadftone} and alfo, becaufe the Sedi¬ ment ftdl continues fiowly to turn * Syrup of Vioiets green, Ironmoulds Lmnen, and takes off the Acidity of Ol. Vitriol: All which the Mineral Part of Water3 that^ when freih, exifts in one Form, and partly loft here, and partly in Diffipation, is yet inimitably united in the Fountain, and the Caufe of its Medicinal Virtue; and that by a natural and eafy Piece of Mechanifm, the fpecifick Gra¬ vity and Figure of the conftituent Farts of ,01l\ t ^dr Weight and Solidity increafe the Momentum Motus of the Fluids, necelfa- rily breaking through (as far as Medicine can) all Concretions and Obftrudtions, aflifted, fe- condly, by the pointed Figure of their Par- *Tills 1S doubtfu,> others having found a Reincorporation of the Contents, will neither exhibit the fame Tafte, nor the fame Colour, mix’d with Galls. tides.](https://iiif.wellcomecollection.org/image/b30345467_0015.jp2/full/800%2C/0/default.jpg)