An essay on the analysis of mineral waters / by Richard Kirwan.

  • Kirwan, Richard, 1733-1812.
Date:
1799
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the analysis of mineral waters / by Richard Kirwan. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    2. Mephitic Air, (the azote of the French) it was first discovered in Buxton Waters by Dr. Pearson, and afterwards in those of Harrowgate by Dr. Garnet, and in those of Lemington Priors by Lambe. 5 Mem. Manchester. 3. Common Air, first discovered in waters by Mr. Boyle. Its quantity scarcely ex- ceeds -j-V of the bulk of the water. 4. Fixed Air, first discovered in Pyrmont Waters, by Dr. Brownrigg. Its propor- tion is variable. Scarce any water is ab- solutely free from it. 1 Bergm. p. 85. 100 cubic inches of most waters contain at least one or two of it; but those called Mineral generally contain from six to forty. Bergm. on Scheffer, §. 186. According to Mr. Bergman, 100 cubic inches of Pyrmont Water contain 95 of fixed air; according to Dr. Higgins, about 160 ; and, according to Mr. Westrumb, 187. 3 Westrumb 159; but 95 Swed. decimal inches =151 English inches; and all allow that the quantities in any particular spring are variable within certain limits, and fre- quently much is lost in the carriage. Though, in general, water, at the tempe-