Licence: Public Domain Mark
Credit: An analysis of the medicinal waters of Tunbridge Wells. Source: Wellcome Collection.
36/38 (page 30)
Licence: Public Domain Mark
Credit: An analysis of the medicinal waters of Tunbridge Wells. Source: Wellcome Collection.
![[ 3° ] bowels of the earth, and that the iron which they contain is taken up in their paflage to the furface. We fuppofe them, in the firft inftance, to be a com¬ mon water, containing felenite, muriated magneiia, and common fait, in the fmall proportions juft ftated, together with a quantity of aerial acid, as yet in an uncombined ftate. After this we fuppofe them to pafs through a ftra- tum of iron-ftone, with which (as al¬ ready obferved) this country abounds. In this ftage, and not before, they be¬ come chalybeate; and from this time, till they reach the furface, the only fubftance they meet with, is fand, which being itfelf ftrongly impregnated with iron, is rather calculated to improve than impair them. That the fource is deep, and not fubjedt to the changes which are conftantly going on in the fuperior ftrata of the earth, appears from hence, that thefe waters, though](https://iiif.wellcomecollection.org/image/b30383213_0036.jp2/full/800%2C/0/default.jpg)
