1then the ſurface of the ſurrounding Li
quor, where into almoſt all the Snow and
Salt were reſolv'd. The Glaſs being ta
ken out, it appear'd that the Ice was as
thick as the inſide of the Glaſs it fill'd,
though into that I could put my Thumb.
The upper ſurface of the Ice was very
concave, which whether it were due to
any unheeded accident, or to the exſu
ction of the Air, we leave to be deter
min'd by further tryal. And laſtly, the
Ice held againſt the Light, appear'd not
deſtitute of Bubbles, though ſome By
ſtanders thought they were fewer then
would have been found if the Water had
been frozen in the open Air. The like
Experiment we try'd alſo another time in
one of our ſmall Receivers, with not un
like ſucceſs.
quor, where into almoſt all the Snow and
Salt were reſolv'd. The Glaſs being ta
ken out, it appear'd that the Ice was as
thick as the inſide of the Glaſs it fill'd,
though into that I could put my Thumb.
The upper ſurface of the Ice was very
concave, which whether it were due to
any unheeded accident, or to the exſu
ction of the Air, we leave to be deter
min'd by further tryal. And laſtly, the
Ice held againſt the Light, appear'd not
deſtitute of Bubbles, though ſome By
ſtanders thought they were fewer then
would have been found if the Water had
been frozen in the open Air. The like
Experiment we try'd alſo another time in
one of our ſmall Receivers, with not un
like ſucceſs.
Experi
ment 38.
ment 38.
And on this occaſion, My Lord, give
me leave to propoſe a Problem, which
ſhall be this: Whence proceeds that
ſtrange force that we may ſometimes ob
ſerve in frozen Water, to break the Bo
dies that Impriſon it, though hard and ſo
lid? That there is ſuch a force in Wa
ter expoſ'd to Congelation, may be ga
ther'd not onely from what may be often
obſerv'd in Winter, of the burſting of
me leave to propoſe a Problem, which
ſhall be this: Whence proceeds that
ſtrange force that we may ſometimes ob
ſerve in frozen Water, to break the Bo
dies that Impriſon it, though hard and ſo
lid? That there is ſuch a force in Wa
ter expoſ'd to Congelation, may be ga
ther'd not onely from what may be often
obſerv'd in Winter, of the burſting of