A philosophical inquiry into the nature and properties of water / [John Rotheram].

  • John Rotheram
Date:
[1770]
Catalogue details

Licence: Public Domain Mark

Credit: A philosophical inquiry into the nature and properties of water / [John Rotheram]. Source: Wellcome Collection.

    66/148 (page 54)
    be found in it: That it really differs from all other Water ; that it is the pureft of all, quite immutable, may be kept for years, and is a Angular remedy for inflammations of the eyes.* This is agreeable to Dr Rutty s account, who tollefted the fnow Water which he analyfed in * * « February, after the great froft in 1739, and followed Boerhaave s precautions as nearly as his fituation would permit him to do A gallon of this Water left, upon evaporation, only four grains of a light brown fediment, conflfting of marine fait, abforbent earth, and a pittance of O * *■ '»- f ulphur. f Thefe contents appear to be of fo innocent a nature, and fo very fmali in quantity, that we can fcarce conceive them to have any ccnfider- able effe6t, and yet fome difficulties occur. Whence arifes the efficacy of fnow Water in inflammations of the eyes, and in burns ? How does it operate in fertilizing the ground? Or whence comes that cruft or ftratum, which is fo rmed upon the furface of grounds that are frequently covered with fnow ? Thefe are effects told * Boerhaave's cliem. vol. i. p. 601. t Synopf. p. 40 and Table [E E,]