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It appears then, that fome internal metallizing 
fulphur (perhaps however little or nothing different 
from the common external fulphur), is abfolutely 
neceffary to combine the metallic earth together, and 
even to give it the reguline confidence and form, 
without which it lies an inactive incoherent heap, 
utterly devoid of any antimonial virtue. Thus the 
dud, or minera, or afhes of iron, are harmlefs, and 
may be fwallowed fafely; but if formed into knives, 
or needles, the cafe is infinitely altered. We not 
only fee the neceflity of this internal fulphureous 
principle in the compofition of antimony, but alfo 
in that of the more perfect metals, which, when 
calcin’d by the burning-glafs (or otherwife) are not 
reducible into their proper metallic malleable date, 
but by the addition of fome kind of fulphur, as a 
bond of union between the disjoined particles of the 
refpedtive metallic earths. But it is pretty remark- 
able, that let the fulphur be animal, vegetable, or 
mineral, fat, coal-afh, or brimdone, it equally a deeds 
the coalition of the refpective earths, and the regene- 
ration of each of the different metals ; fo that it 
feems to be fulphur, as fulphur, that is only wanted 
in the recompodtion. In like manner as in vege- 
tables, the conglutinating oil is neceffary to the cohe- 
fjon of the damina, which being burnt off, they be- 
come a mere dud. It feems alfo to argue, that the 
difference of metals lies in their different fpecific 
metallic earths, as I may fo call them, and not in 
the different proportion, combination, and purity of 
the fulphureous and mercurial principles, as Monfieur 
Homberg, and others, have imagined. I know 
not how the fulphur, of the very fame charcoal, 
equally 
