The Complete Englifh Di/penfatory. Part II.

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* raife the infipid Thlegm : when' the Drops begin to have an acid

* Tafte, put away tiiat which is in

* the Receiver, which put on again

* and lute : keep it in à Fire of the

* fécond degree, till there is a mi-

* nute's fpace of time between the

* Ming of each Drop. Then take

* off the Spirit, ¿.na keep it for ulè,

* which is much More grateful than

* before Rectification.'

In the Retort will be left the hea-vy Spirit of Salt, improperly call'dits Oil; which may be alfo re£ti-fy'd, and reniVd more grateful,by encreafing the Fire to the thirdand fourth degree, till nothing isleft in the Retort, but a ftiptickyellow Earth.

The Operation of this is Diure-tic, and is us'd in any Vehicle, tomake it of a pleafimt Acidity. It isgiven in Fevers, Obftruétions of the'Stiver, and Spleen, Dropfies, Jaun-dice, and to quench Thirfi. Its Doleis from x to lx or lxx Drops.

Spiritus Salis cum Oleo Vitrioli,í Spirit of Salt with Oil of Vitriol.' Take of clean common Salt

* and Fountain-Water ana ft ii. Oil

* of Vitriol the fame quantity, and

* mix them thus : Firft, put the

* Water into an earthen Veflel, then' put tLe Oil to it, by two or three

* Ounces : ta time; if you put more

* at once, it will endanger the brcak-

* ing of the VeiTel by its Violence.c Then put the Salt into a Glafs Re-' tort, and put the Oil and Water

* to it ; let in a Sand Furnace, fit a,* Receiver to it, and make a Fire

* of the firft degree for one hour,

* and advance it to- a fécond, where

* keep it three hours ; encreafe to

* the t'urd four hours, and ib to the

* fourth, till no more Fumes or£ Drops come into the Receiver.'

' This without any Rectification is

more grateful than the former, andequal to it, if not exceeding in Vir-tue. About the middle of the Dif-tillation the Matter in the Retortwill bubble and make a noifc ; thenbe careful that you do not augmentthe Fire too fall, left the Retort orthe Receiver break.

Sal Mirabile Glauberi,Glauber's wonderful Salt.' Take the Salt left in the Re-' tort after the Diftillation of the' aforelaid Spirit of Salt : diflblve« and filter it ; evaporate part of' the Water, and fet the other in a

* cold place to cryftallize. In cold

* Weather, it would fhoot in forty

* eight hours time, and in warm« Weather in three or four days.*

Its Operation is Cathartic andDiuretic, and anfwers all the Inten-tions of moft of the Purging» Waters.Its Dole is from half an Ounce to anOunce, in a Pint or Quait of pur-ging Spring-Water. This is vaftlya better Medicine than thai, commonCheat, before taken notice of un-der the Name of Epfim-Salt.

If the Retort perform the Opera-tion without cracking, you may putWater to the Salt which is in it, anddifiolve and filter, and fo fare theRetort ; the Evaporation is moftproperly performed in a clean IronKettle, or an earthen one. Leme-ry very unthriftily places this a-mongft the Preparations of Sal Ar-monice, and makes it much morelaboured than needful.

f3 1. S a L F o s s i L E, Sal Gem.

This is obferv'd to be more penetra-ting than common Sea-Salt ; whichis afcrib'd by Lemery to its havingnever been diflblv'd in Water, andtherefore it keeps its native Keen-neis : whereas thoiè that have beenib broke, do, in iome meafure, lofe

their