Remarks on Mr. Robert Dossie's Institutes of experimental chemistry.

Date:
1760
Catalogue details

Licence: Public Domain Mark

Credit: Remarks on Mr. Robert Dossie's Institutes of experimental chemistry. Source: Wellcome Collection.

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    fait, earth, oil or phlogiflon, can be difeovered in one more than in the other? The author indeed acknowledges, that nature, in many inftances, deviates from the laws he has eftablifhed $ or in other word?, that he has himfelf deviated from the laws eftablifhed by nature. How can he pretend to have difeovered the principles on which nature conducts her operations, when many of thofe operations are diredtly repugnant to the principles he has advanced ! c i f . i He prefumes alfo, that he has made feveral material difcoveriesy relating to parti- cular fubjedls. What thefe difcoveries are, I cannot find, unlefs they be lome fuch as .the following : a That ftones are compofed of earth and oil, in proof of which it is affirmed, that flints, diftilled in a retort, give over an adlual oil : This however is falfe, unlefs we fuppofe, with the author, that the bitumen, which yields the BritiJhoWy is flint: That neutral falts may be prepared by com¬ bining gypfum with acidswhereas it is an * Page 246, Vol. i. b Page 361, Vol. i. eflential
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