( S^S7 ) 
"Tisjt^ijhkh mr Jnther^ih zt a t the firft vi e w this operat '-^ 
QD ^emT co b>e g'r olSjr ggutnng much tim e^d J a bo ur^ bu t 
T IHI£ Art ^ buf^l CQ niidgrej[Jns ^h?ghIy zSmts^hW^ being a f- 
ini^d by th e w onderful Salt of t h e Air, as the o nly Catholic 
diffolvenr* A od that tha t Salt is by tjb^contini^^ 
tract ed and inter iilixrj many oth er Experiments , "^^dgjbjji[ni 
flbout'TtThav e taught h\m^ wh ich jie refeiyes for th e publica- 
fioh/h"eFeafterJoJ be made of th e thi ngs done in the Gottorg ig 
an flabbratojj^ 
' Tlie/^^^ Experiment of the ufe of this was in a 
ti ue and genuine preparation of the Mercury of Antimony : A 
procebsffirm'd not only made by himfelf before his Prii ce, 
butaUo by the hands ®f that very experienced Chymift of the 
Eledor of Saxr nYy^Qhames K^nchlms : to have more than one 
ftring to his bow. 
TheOper^no^:*^ Kegulm of Jn. 
timmjnsMi Qn imp alpable p(%wd er^ ; a nd to one pound of i 
^d two poundsjrfVery pure and dry fait oFT artar, and eight 
ounces^fS^^ and mix i t w elTtoget her. Then mo:V 
TEenTt withF^fome Urine of an healthy man, e/pecially of one 
that drinks wine, if fueh may be had 3 and take care, to have 
this mixture ground for a whole day together without any in* 
termiffionby ^wo very ftrongyourg men 5 always, if there 
want mpifture, fpriokh'ng Urine upon it* Then put this 
mixture into a Bolt head and powre fo much Urine upon. it, 
that it may ftaud three inches high over it, and clofiog it welf^ 
keep it in digeftionfor a whole monethj daily fhakiog it. And 
if during that time the mafs appear to be dryj powre on mora 
Urine* The Digeftion being ended, form the matter into gjo^ 
buls withequaf parts of beaten glafs and calx vivejand dry jt ja 
thefhade«s, Ofthefe^extraft the Mercury in manner following^ 
Let there be ready an oblong iron veffel, like a Bolt- head, 
into whictt powre cold water^ and digit into the grou/nd: Upn 
OD it put an Iron plate with many holes in if, and lay thereon 
the ftid globuls well dry'd ^ 1 hen fit alio an Iron head, fome^ 
what flatted 5 to it, that you may conveniently lay coals 
thereon, and thus keep a moderate fire for four hours:, then io- 
treafa the fire for as many hoursj unto the laft^ Afrer that^ let 
it coolj and beware^ not to ftir the veffel digg'd in thegrounds 
nor to pour out the water^ before thatbe altogether cooled i 
