( ) 
an Hour in a cold Place, fill up the Bottle with cold 
Water, and you (hall fee the effential Oil, fwirnming 
upon the Water pour’d upon them, eafily feparable by 
the Funnel, or Injnmentum fntonum. Of this el- 
fential Oil, one Drop only upon a Lump of Sugar, 
manifefts to the Tafte, ^c. the medical Virtues of the 
Plant, exquifitely drawn out, comprehended in this 
EfTence, defervedly named COS, as containing the 
Colour, Odour,and Sapor or Tafle of the Planter Plants. 
In like manner the effential Oils of Exoticks are eafily 
prepared. (Succeeded^ But it is not a true effential 
Oil, but an exceffive (trong Tindure, which you may 
call the Effence. 
VIII. Of the like Ufe it is in the Animal Kingdom, 
where it produces an effential Oil of Phofphorusy as 
likewife in the mineral Kingdom, though not fo 
immediately, becaufe the Refolution of Earths mud 
precede. Moreover, it is eafily proved that the fame 
Liquor extrads the pureft Gold, or every Part of the 
golden Syftem from any, or all the bafer Mine- 
rals, and that this Gold thus extricated, is by this one 
Operation better and fooner purified than by Fufion 
of Minerals with Antimony. 
IX. This our Water is neither corrofive nor join’d 
with apparent Corrofives : Wherefore fill as many Bot- 
• ties with ^Ethereal Water as there are Sorts of Salts, 
and into the firft,Drop by Drop diftill Oil of Vitriol ; 
put into the Second Spirit of Sea-falt, into the Third 
Spirit of Nitre, or of Alum, or of Sal Arraoniack 
prepared with Water, or the Lixivium of Tartar, or 
redified Wine-vinegar, all the Salts immediately fink 
to the Bottom :Befides, it is the lighted of all Liquors ^ 
for fill any Veffel with twenty Ounces of Oil of Vi- 
