An analysis of the medicinal waters of Tunbridge Wells.

Date:
1792
Catalogue details

Licence: Public Domain Mark

Credit: An analysis of the medicinal waters of Tunbridge Wells. Source: Wellcome Collection.

    12/38 (page 6)
    EXPERIMENT THE FIRST. Equal meafures of the water, taken immediately from the wells, were ex- pofed in open glaffes about ten hours, in a room at a temperature of 550; at the end of which time the internal furfaces of the glaffes were univerfally ftudded with air-bubbles, and the water in both was covered with a purplifh fhining pellicle. The air-bubbles were fmaller, but more numerous, in B than in A; and the pellicle was feemingly more copious. EXPERIMENT THE SECOND. Equal meafures of an infufion of galls being added to equal meafures of the waters, a beautiful purple-colour was produced, after a few feconds; in both fo very fimilar in fhade, that it was impoffible to fay which of the two was the deeper.