C 6137 ) 
netierecem prdeBi^adfrigm tamen nativtmredH&i^uncias^i^qut* 
hm in ampHori vitro affund^ Jqus fortis generof^ itidem recentis 
fed&frigid(e^Hn€ias 6i^& agitando vas^fuh dio relifsqm^ intra hor^ 
me dm fpatium.remoto operculojpiritus terehwthin^^ab acidk Aqu^ 
form partimlis irritatu^^efervefcere tnciptet^flammamq'^confpicH^m 
emittet,^&d tamen imajfumtentalnr^ nifi in J^iritibus recentihus. 
12. A cGQtrivance of makiog water oo!: boy I io the midft of 
boyliog w^ter^by haDgingaQarrow-mouth'd glafs, half full of 
water.io the mid ft of an Iron kcttk filled with water, whereup- 
on the ambieoc water may by a ftroog fire be made to boyi, 
when as the water in the glafs, though it behotj yet will not 
boyl ac although fotne few bublesbefeeo at the bottom, which 
do all vanifti^bcfore they come to the top, , 
i j.That water frozen receives nothiog extraneoos into it lelfj 
inregard it increafo not in weighty as it neither decreafcth 
therein And that giafles with water do not break when frozen 
in the open Air^ whereas thty do when frozen within doers* 
4, A way of diflblving Silver and Mercury into a liquor by a 
veg^tableSulphur.that is^by mixing 8 ouoces of good Aquafortis^ 
and 2 ounces of Gamphir beaten fmall^and by putting them in a 
gla(s-vial upon warm raodjCarefully decanting after halfan hours 
time the diflblved oyl of Camphire from iht Aqua fortis^ and 
powring an ounce of it upon two drachmes of fine and thinly 
beaten filversboyliog it together for a quarter of au hour by a 
mild heat of allies ^ whereupon theSilver will plainly diffolve in- 
to a liquor. The fame will hold with Mercury <^ taking the fame 
quantity of it and the Camphir-oyl. 
15. An ud-commoD way of diflblviog Gold^ without adding 
commonSalt or Sal Armoniac to xhtAqudfortk^onXy by a double 
deflillatioo of Aqua fortis ffum an equal quantity of Niter 5 by 
which preparation the Aqua form will not any more diffolve 
mrjowt precipitates it into a powderathough^thenitconvertGo/^i 
into a yellow liquon 
16. That even io well-purged Mercury there is harbour'd an 
Acid.Which was difcoyer'd by putting fome vciy-foare copper- 
plates into a new long glals, wherein was kept very well purged 
Mercuryjaod by keeping them there three months, without any 
other heat but that of the Sua Whereupon j he glafsj which had 
been kept very clofejbeing open'd^all the laid plates appeared to 
be covered with ruft^though in the midft of io noble a liquor. 
S7,3Sie 
