Moft of dicOyi renmias at the bottom, or adheres to the fides of 
the veflels employeciiy^ and the Salts will not eafily be diftinguifii't 
from each other, agreeing in moftj if not all, manifeft qualities* 
But, becaufe chis Operation will not foweU fueceed, unlefsthe 
Veffels be very GOnveniently fliaped, and the fire exadly regulated 
by a Judicious experienced Artift «jfor, either skill or due care be- 
ing wanting, forpe final! portion of the more fubcile fugitive Olea- 
ginous or Sulphureous particles will afcend witjh, and infeft the 
Salts, which are thereby ftill in fome meafure (if I may fo fpeak ) 
ipbcificated : I Ihall briefly reprefent amore certain and facile me- 
thod of reducing them into one Common natnre and denomination. 
Pour upon the Volatil Salt, you would purify, a convenient quans 
tityof well-reflified Spirit of comti)on Sea-falt. When the Salt is 
fatiated,.(wfeich is difc^rned by ceafing of the heat, ebullition or 
rcommotion,} then with a gentle equalheatabftraft the phlegme,and 
with it fome fmall quantity of Volatil Salt, which not being clofely 
Hnited, is upon the firft accefllon of heat prefently difmifled. Sub- 
4ime.the;r«ihaining dry fiibfl:ance, which will becon^ ^ood Armo- 
oiiac Salc. This beingpulyerifed^ andmixedwich equal parts of -a 
f>are and well-calcined Alcalifate Salt, or if you pour thereon a 
hrong lixhium ot Solmpn of any perfeft JHcali, the Alcalifate 
Salt combining more clofely with the Acid than the Volatile; this 
flatter will be elevated by a fmall degree of heat, and appears,ei ther 
immediately, or upon re^ftification, in the form of a dry fubtile fu- 
gitive Salt, perfe^iy free fromi the contagion of Oyles or Sul phurs* 
'And by thisiGommOn tttethod of procedure AH volatil Salts, al- 
•fhough the Tribes and Concrets that afforded them were exceeding 
different and diftant, and they alfo difagreeing in Senfible, and (as 
they arecommonlyftiled) Occult qualities, are brought unto a 
perfefl agreement in fome few common properties. 
, i roightadd, thar^ whatfocvejc can be efFeded fey Areificia] opeca- 
tions»inordi?r to ihe Urt-fperilficating 
!^sct Mt.-^y.'s Tr^ft cf SH/pi.i^ of Volatile Salts, is more naturally and 
-ta-tiy prinied,?nji comcto.floy hsinds Ipetd ily peiform d by the Air which 
- :'^»j;;^^i;^^?lwd Mly demondrate, impreg- 
. ii»ve giver> ^ ^ecomp.t jn^thflfc Pa« , nated wi t h a Vohtil Salt, pmh'.fu bli ined 
pcfJ aroong otftcr Books, but that i< , . « * . • ^ r i i ^ 
1» accompanied with fom* other pie- ' by ouDjt^rranefi)i^5yanM eKtfaciTO by.Ge- 
«.,ihaia«:,«o^yctqujt,c,prbt*doff, jeftial, .fines ; fakl/ CKpiYtd from ]Ani» 
.ilials. duting thpir'life ; .and both from them and Vegetables upon 
.thediffplutionordifiociatipn of rb^^^ parts in Ar^- 
'M&i^m^n4. F<jrir2i^Bt^ti^.;f<:3!;hcfeSale5^ beingrcceiv^ ini^) the 
ilQlA : - A ' vaft 
