A scheme for a course of chymistry / to be performed by Henry Pemberton.

  • Henry Pemberton
Date:
1731?]
Catalogue details

Licence: Public Domain Mark

Credit: A scheme for a course of chymistry / to be performed by Henry Pemberton. Source: Wellcome Collection.

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    [6 ] alkaline, and neutral} the criterions, where¬ by to diftinguilh acids and alkalis. Of oils and their inflammability: burning confidered, with the office of the air in it illuftrated by experiment, alfo why water extinguiffies fire. Of the aerial vapour feparable from bodies in diftillation. ' Lecture IV. Animal and vegetable fubftances di- ftilled; all of the animal and fome of the vegetable ffiewn to produce an alkaline fpi- rit and fait befides an oil} the reft of the vegetables {hewn to contain an acid fpirit and another oil; all leaving a black coal. Milk and urine confidered particularly: why milk is ulefiil in hectic fevers; and experi¬ ments made witn the phoiphorus of urine. Lecture V. 1 h e purification and analyfis of the lalts, ipirits, and oils oi the preceding lec¬ ture. How oils are feparated from watry liquors. The diftillation of the natural balfams exemplified in turpentine; whence rofin, both yellow and black : how turpentine is gathered, and how tar and pitch are made. Efiential oils diftilled, and flowers of benjamin fublimed, alfo camphire: why thefe oils and refins rife fo freely, while other oils, lighter than feveral of thefe, can be obtained only by expreffion. The ufe of the cold ftill. ' ~ k ' L E C“
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