Chemical lectures, publickly read at London, in the years 1731 and 1732; and since at Scarborough, in 1733; for the improvement of arts, trades, and natural philosophy / By Peter Shaw.

  • Shaw, Peter, 1694-1763
Date:
[1734]
Catalogue details

Licence: Public Domain Mark

Credit: Chemical lectures, publickly read at London, in the years 1731 and 1732; and since at Scarborough, in 1733; for the improvement of arts, trades, and natural philosophy / By Peter Shaw. Source: Wellcome Collection.

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    the top of a melted Metal, or metallic Matte being often in the form of a vitrified Mafs, < Glaffy Subftance, and proceeding from tl Flux employed, and united with lome ftor recrementitious Matter contain d in the Or But when a large proportion of a faline Flux > “fed. the Slag will relent, or even diffoke the Air. Solvent. See Menftruum, Stum. Is Muft, clarified by Handing and rackmj then put up into matched Cafks, that is, Can impregnated with the Fume of burning Brin {lone, fo as to be preferved found in an u.nfe mented State. See Muft. Sublimation. Is the railing of a dry Body by he into Flowers, or a folid Cake, at the top of tl containing Veftel, being a kind of Diftillatic fuited to dry Bodies. Subfidence. Is the fuffering a Liquor to fettl and fine itfelf, by {landing. Sulphur. Is another Name for Bnmftone » b in a more Technical Senfe, denotes the fa undtuous, or oily Principle in Bodies; or th part of them, which is truly inflammable. thermometer. Is an Inftrument contrived to me fure the Degrees of Heat. Thofe made wi Spirit of Wine, ferve for the leffer Degree and thofe with Oil, or Quickfilver, for tl greater. r . triture. Is the grinding, or rubbing any lol Body to Powder in a Mortar, or upon grinding, or levigating Stone. tor refaction. Is the roafting, or fcorching, o Body by the Fire, in order to difeharge a pa either unneceflary or hurtful, in another Of ration, as Sulphur is difeharged from an Oi before the Metal can be obtained to advantage Turn]