1by ſome of them: We had, with pure
Spirit of Wine, drawn a Tincture out of
a certain Concrete which uſes to be rec
koned among Mineral Bodies; And this
Tincture being very pure and tranſparent,
we did, becauſe we put a great value upon
it, put into a Cryſtal Viol which we care
fully ſtopp'd, and lock'd up in a Preſs a
mong ſome other things that we ſpecial
ly priz'd. This Liquor being a Chy
mical Rarity, and beſides, very defecate
and of a pleaſing Golden Colour; we
had often occaſion to look upon it, and
ſo to take notice, that one time it ſeem'd
to be very much troubled, and not clear
as it was wont to be: Whereupon we ima
gined, that though it would be ſomething
ſtrange, yet it was not impoſſible that
ſome Precipitation of the Mineral Cor
puſcles was then happening, and that
thence the Liquor was opacated; but,
finding after ſome days that though the
expected Precipitation had not been
made, yet the Liquor, retaining its for
mer vivid Colour, was grown clear again
as before; we ſomewhat wondered at it,
and locking it up again in the ſame Preſs,
we reſolved to obſerve, both whether
the like changes would again appear in
Spirit of Wine, drawn a Tincture out of
a certain Concrete which uſes to be rec
koned among Mineral Bodies; And this
Tincture being very pure and tranſparent,
we did, becauſe we put a great value upon
it, put into a Cryſtal Viol which we care
fully ſtopp'd, and lock'd up in a Preſs a
mong ſome other things that we ſpecial
ly priz'd. This Liquor being a Chy
mical Rarity, and beſides, very defecate
and of a pleaſing Golden Colour; we
had often occaſion to look upon it, and
ſo to take notice, that one time it ſeem'd
to be very much troubled, and not clear
as it was wont to be: Whereupon we ima
gined, that though it would be ſomething
ſtrange, yet it was not impoſſible that
ſome Precipitation of the Mineral Cor
puſcles was then happening, and that
thence the Liquor was opacated; but,
finding after ſome days that though the
expected Precipitation had not been
made, yet the Liquor, retaining its for
mer vivid Colour, was grown clear again
as before; we ſomewhat wondered at it,
and locking it up again in the ſame Preſs,
we reſolved to obſerve, both whether
the like changes would again appear in