A new experimental inquiry into the nature and qualities of the Cheltenham water / [A. Fothergill].

  • Anthony Fothergill
Date:
1788
Catalogue details

Licence: Public Domain Mark

Credit: A new experimental inquiry into the nature and qualities of the Cheltenham water / [A. Fothergill]. Source: Wellcome Collection.

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    1 Argillaceous Earth^ or Clay,* is fometimes found in union with'vitriolic acid, in'form of alum; It has lately beeii difcovered in the Nevil Holt water, joined to the marine acid, in form of falited clay.—A rare inftance. ' 'l Iron, of all the* metais,ds'moll frequently'difco¬ vered in mineral waters, and -is held in^ folution commonly by the aerial or vitriolic acid';—^fomc- times; perhaps, by .the mafine, ; * t Gwi*er, has only been' found with«the vitriolic,, inform of blue vitriol, ; ifr ' n -Ij ^ ‘z: • ■ . ] i' ?. r Arsenic, being extremely difficult;fof folution,. has,, fortunately for mankind, very, rarely;/'if ever, been found in mineral waters. -.iHowfarthe poifon- ous elfefe.of the celebrated'Xake Afphaltites may juftify the opinion, I ihall not prefume to determine; but certainly neither brimftone, nor bitumen, with ■which it. is fuppofed'ftrofigly irnpregnated/. can render itfo deleterious;; and:were arfenic prefent in the water, the fulphiir would ftrongly counterad its poifonous effeds, by chainging it into orpim'ent. t ^ i■ Sulphur is difcovered in certain mineral waters generally in form' of hepatic gas or air; fonietimes dilfolved, by its union with alkali, or lime. In this >j V ^ C Hate i, ' ■
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