Chymical lectures: in which almost all the operations of chymistry are reduced to their true principles, and the laws of nature. Read in the Museum at Oxford, 1704 / By John Freind. Englished by J.M. To which is added, an appendix, containing the account given of this book in the Lipsick Acts, together with the author's remarks thereon.

  • John Freind
Date:
1737
Catalogue details

Licence: Public Domain Mark

Credit: Chymical lectures: in which almost all the operations of chymistry are reduced to their true principles, and the laws of nature. Read in the Museum at Oxford, 1704 / By John Freind. Englished by J.M. To which is added, an appendix, containing the account given of this book in the Lipsick Acts, together with the author's remarks thereon. Source: Wellcome Collection.

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    ■ ' [ '4 ] I am fo far from comprehending what thefe Terms really lignify, that I don’t thoroughly conceive what the Chymifts themfelves wou’d mean by them. For if they wou’d have that an Acid which pricks and corrodes, and that which, does not corrode but prick, an Alkali; there are Subfiances which they will allow to be Alkali’s, and at the fame time they cannot deny that they are corrofive. Or if in mixing them with Syrup of Violets, they will call that Acid which makes a red Colour, and that an Alkali which caufes a Green; there will be many of both Sorts which produce neither Colour, nay and feme which occalion a quite contra¬ ry one. The fame may be faid of Experiments, which are made with the Solution of Vitriol. Or if they pretend to evince their Nature from their Fermentation and mutual Antipathy,
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