1(as we have elſe-where alſo noted) any
ſuch boundleſs thing as men have been
pleas'd to imagine. And the reaſon, why
in the former Experiments, mentioned
in favour of the Pleniſts, Bodies ſeem to
forget their own Natures to ſhun a Va
cuum, ſeems to be but this; That in the
alleadged caſes the weight of that Wa
ter that was either kept from falling or
impell'd up, was not great enough to
ſurmount the preſſure of the contiguous
Air; which, if it had been, the Water
would have ſubſided, though no Air could
have ſucceeded. For not to repeat that
Experiment of Monſieur Paſchal (for
merly mention'd to have been try'd in a
Glaſs exceeding 32 Foot) wherein the
inverted Pipe being long enough to con
tain a competent weight of Water, that
Liquor freely ran out at the lower Orifice:
Not to mention this (I ſay) we ſaw in
our nineteenth Experiment, that when
the preſſure of the ambient Air was ſuffi
ciently weaken'd, the Water would fall
out apace at the Orifice even of a ſhort
Pipe, though the Air could not ſucceed
into the room deſerted by it. And it were
not amiſs if tryal were made on the tops
of very high Mountains, to diſcover with
ſuch boundleſs thing as men have been
pleas'd to imagine. And the reaſon, why
in the former Experiments, mentioned
in favour of the Pleniſts, Bodies ſeem to
forget their own Natures to ſhun a Va
cuum, ſeems to be but this; That in the
alleadged caſes the weight of that Wa
ter that was either kept from falling or
impell'd up, was not great enough to
ſurmount the preſſure of the contiguous
Air; which, if it had been, the Water
would have ſubſided, though no Air could
have ſucceeded. For not to repeat that
Experiment of Monſieur Paſchal (for
merly mention'd to have been try'd in a
Glaſs exceeding 32 Foot) wherein the
inverted Pipe being long enough to con
tain a competent weight of Water, that
Liquor freely ran out at the lower Orifice:
Not to mention this (I ſay) we ſaw in
our nineteenth Experiment, that when
the preſſure of the ambient Air was ſuffi
ciently weaken'd, the Water would fall
out apace at the Orifice even of a ſhort
Pipe, though the Air could not ſucceed
into the room deſerted by it. And it were
not amiſs if tryal were made on the tops
of very high Mountains, to diſcover with