An essay on the nature and properties of water, shewing its prodigious use; and proving it to be an universal medicine ... / By Frederick Hoffman.
- Friedrich Hoffmann
- Date:
- 1761
Licence: Public Domain Mark
Credit: An essay on the nature and properties of water, shewing its prodigious use; and proving it to be an universal medicine ... / By Frederick Hoffman. Source: Wellcome Collection.
19/46 page 17
![f l1 ] Tea, &c. that the more fubtileand foft Sorts are better for thefe Purpofes than Spring- Water. i But for medicinal Purpofes, we prefer Rain-Water, as what is naturally diffilled by the Sun, and thus rendered fubtile, and fitter for Solutions, Infufions, Extracts, and all in¬ ternal Ufes. Only this Water being mixed with various mineral, vegetable and animal Exhalations, is thence rendered eafily cor¬ ruptible, if expofed to the free Air, or dif¬ fered to fland long in Wooden Veifels. The Rain that falls in the Month of March, will keep longer, as not then receiving fo many Effluvia. The better to fit this Water for medicinal Ufe, it fhould be kept in earthen Veffels, flopped clofe 5 and thus, if it be col¬ lected, not in Cities and Towns from the Spouts of Houfes, but in the open Fields, it may be kept found and fit for Service feveral Years. Next to Rain-Water, in point of Goodnefs, is that of Rivers; but as Rivers proceed from D the](https://iiif.wellcomecollection.org/image/b31887004_0019.jp2/full/800%2C/0/default.jpg)


