1no ſuch thing in the world; but that the
generality of the Pleniſts, (eſpecially till
of late yeares ſome of them grew more
wary) did not take a Vacuum in ſo ſtrict
a Senſe, may appear by the Experiments
formerly, and ev'n to this Day imploy'd
by the Deniers of a Vacuum, to prove it
impoſſible that there can be any made.
For when they alleadge (for Inſtance)
that when a man ſucks Water through a
long Pipe, that heavy Liquor, contrary
to its Nature, aſcends into the Sucker's
mouth, only, to fill up that room made
by the Dilatation of his Breſt and
Lungs, which otherwiſe will in part be
empty. And when they tell us, that the
reaſon why if a long Pipe exactly
clos'd at one end be fill'd top-ful
of Water, and then inverted, no Liquor
will fall out of the open Orifice; Or, to
uſe a more familiar Example, when they
teach, that the cauſe why in a Gardiner's
watering Pot ſhap'd conically, or like a
Sugar-Loaf fill'd with Water, no Liquor
fals down through the numerous holes
at the bottome, whilſt the Gardiner keeps
his Thumb upon the Orifice of the litle
hole at the top, and no longer, muſt be
that it in the caſe propoſed the Water
generality of the Pleniſts, (eſpecially till
of late yeares ſome of them grew more
wary) did not take a Vacuum in ſo ſtrict
a Senſe, may appear by the Experiments
formerly, and ev'n to this Day imploy'd
by the Deniers of a Vacuum, to prove it
impoſſible that there can be any made.
For when they alleadge (for Inſtance)
that when a man ſucks Water through a
long Pipe, that heavy Liquor, contrary
to its Nature, aſcends into the Sucker's
mouth, only, to fill up that room made
by the Dilatation of his Breſt and
Lungs, which otherwiſe will in part be
empty. And when they tell us, that the
reaſon why if a long Pipe exactly
clos'd at one end be fill'd top-ful
of Water, and then inverted, no Liquor
will fall out of the open Orifice; Or, to
uſe a more familiar Example, when they
teach, that the cauſe why in a Gardiner's
watering Pot ſhap'd conically, or like a
Sugar-Loaf fill'd with Water, no Liquor
fals down through the numerous holes
at the bottome, whilſt the Gardiner keeps
his Thumb upon the Orifice of the litle
hole at the top, and no longer, muſt be
that it in the caſe propoſed the Water