An essay of health and long life / By George Cheyne.

  • George Cheyne
Date:
1725
Catalogue details

Licence: Public Domain Mark

Credit: An essay of health and long life / By George Cheyne. Source: Wellcome Collection.

    106/302 (page 56)
    with fudorifick Woods and Roots, and from its Succefs in outward Applications for the fame Purpoles. And tho' Time may in fome Meafure get the better of this, in its fenftble and obvious Operations $ yet fince fVater is a groffer Body than Fire, or Flame, it never can penetrate it fo far as quite to extinguifh its inmoft Heat ; efpe- cially if weconfider, that Spirit /are but an Accumulation of fine Salts and light Oil, compared together into the fmalleft Vo¬ lume j the firfi whereof is fo hard and folid, as naturally to retain their Heat the longeft, into which IVater cannot enter; the other, to wit the 0/7, is fo inflamable, that it moft readily receives Heat and Fire, and defends the Salts from the Power of the Water over them. And in the continued Diftillation of Spi¬ rits, this Aftion of the Fire is fo ftrong, as to reduce them to liquid Flames at I aft, which will of themfelves evaporate in vifible Flames and Fumes. The other principal Part of the Compojition is the Juice of Oranges and Lemons. And if we confider, that a Lemon or Orange could never be tranfported half Seas over to us, without rotting or fpoiling, if gather¬ ed when wholly ripe, we fhould have no great Opinion of their Juices. Eve¬ ry Spanifh or Portugal Merchant can in¬ form