A plan of a course of chemical lectures / By R. Watson.

  • Watson, Richard, 1737-1816.
Date:
1771
Catalogue details

Licence: Public Domain Mark

Credit: A plan of a course of chemical lectures / By R. Watson. Source: Wellcome Collection.

    17/230 (page 5)
    Of MINERALS. Of the Pyrites and green VItrioL Natural Hiftory of the Pyrites. Sulphureo-ferrugineous Pyritae from the Chalk pits of Cherry-hinton analyfed by Diftillation—Sulphur,—F errugineous Re- fiduum: Method of affaying any particular Species of the Pyrites for Sulphur. Analylis of Sulphur by Combuflion — Phlogifton — Volatile fulphureous Acid: Method of obtaining the acid of Sulphur at Batterfea, and in other Places. Iron-pyritae defulphurated by roafting. Green Vitriol extracted from the deful¬ phurated Iron-pyritas by Elixation and Cryftallization: Method of affaying any particular Species of the Pyrites for green , Vitriol. Iron-filings, Sulphur, and Water kneaded together 5 Intumefcence, - Incalefcence, - Incenfion of the Mixture, ' A 3 Con-