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The Power of SMaixture. Led. 

neither the Nitre with the Oy/, nor the Oy/ with the Spirit, nor the 
Nitre with the Spirit,will make the leaft Ebulition: yetall three mingled 
together, make avery confpicuous one. The Spirit of Wine being as the 
Sulphur 5 and fo that, and the Néire together,{tanding,as it were, in the 
ftead of an Alkalizate, that is, a Sulphurious Salt, againft the Oyl of 
Vitriol.. Diversother Experiments may be fhew’n of the like Nature. 
7. §. In thelaft place, for the Imitation of a Mineral Body, } will 
inftance in two, fc. Nitre and Marine salt; if Imay have leave to reckon 
them among{t Mineral Bodies. As for Nitre, by mixing of four Li- 
quors together, and then fetting them to fhoot 5 I have obtained Chry- 
flals of true and perf salt; which have had much of a xitrows taft 5 
and would be elted with a gentle Heat, as Nitre iss and even as eafil 
as Butyr it {elf: 1 mean not, by the addition of any fort of Liquor, 
or any other Body, to difolve it; but only by the fire. 
8. §. AndasforaSea-salt, that I might Lmitate Nature for the ma- 
king thereof, I confiderd, That the faid Salt is nothing. elfe 
but that of Avimels and Vegetables, freed from its true Spirit and sul- 
phur, and {ome Saline particles, fpecifically Animal or Vegetable, together 
withthem. For both Avimal and Vegetable Bodies being continually 
carried by all Rivers into the Sea; and many likewife by Shipwrack 
and divers other waysimmerfed therein: they are at laft corrupted, that 
is, their Compounding parts are opened and refolued. Yet the Refolu- 
tion being in the Water, is not made precipitately , as it isin the Air 5 
but by degrees, and very gewtlys whence the Sulphurious and other 
Volatile parts, in their Avolation, make not fo much hafte, as to car- 
ry themore fixed Saline partsalong with them; but leaveth them be- 
hind in the Water, which ivebibeth them as their proper Menfirunm, 
And the Imitation of Nature herein, may be performed thus; Put 
asmuch of a Lixivial Salt as you pleafe, into a wide-mouth’d Bottle, 
and with fair Water makea {trong Solution of it ; fo as {ome part there- 
of may remain wzrefolued at the bottom of the Bottle. Let the Bot- 
tle {tand thus for the fpace of about half or three quarters of a year, all 
the time unftopped. In which time, many of the Sw/phurions and other 
Volatile parts gradually flying away ; the top of the wnrefolued 
Salt will be incruftate, or as it were frofied over, with many fmall and 
hard Cowcretions, which, in their nature, are become a true Sea-Sailt. 
Whereof there is a double Proofs, Fir/?, In that moft of the (aid Con. 
cretions are of aCubical, or very like F zgure. Efpecially on their upper 
parts; becaufe having a fixed Body for their Bafis, their under parts, 
therefore, contiguousthereto, are lefs regular. Whereas the Parts of 
the Salt inthe Sea, being environed on all fides with a Flvid 3 their Fz- 
gure is on all fides regular. Secondly, In that a {trong Acid Spirit or 
Oyl being poured upon a full body'd Solution hereof; yet it maketh 
herewith no Ebullitiox 5 which is alfo the property of Sea-Salf, And 
thus much for the more Geveral Imitation of Bodies. 
IN- 

