1worth while to try to vary, by means of
the compreſſion of the Air.
the compreſſion of the Air.
WE taught, among divers other
things, when we diſcourſ'd of our
firſt Experiment, That the Air ſhut up in
our Receiver, preſſeth as ſtrongly upon
the Bodies ſhut up with it, as if they
were expoſ'd to the preſſure of the whole
Atmoſphere. That this was not incon
ſiderately propounded, we hope Your
Lordſhip has gather'd from divers of the
things already recited: But yet perhaps it
will not be amiſs to ſubjoyn, by way of
further confirmation of the ſame truth, the
following Experiment, which ſhould have
accompanied the 20th, but the Paper where
in the one was written chanc'd not to beat
hand, when the other was ſent away.
things, when we diſcourſ'd of our
firſt Experiment, That the Air ſhut up in
our Receiver, preſſeth as ſtrongly upon
the Bodies ſhut up with it, as if they
were expoſ'd to the preſſure of the whole
Atmoſphere. That this was not incon
ſiderately propounded, we hope Your
Lordſhip has gather'd from divers of the
things already recited: But yet perhaps it
will not be amiſs to ſubjoyn, by way of
further confirmation of the ſame truth, the
following Experiment, which ſhould have
accompanied the 20th, but the Paper where
in the one was written chanc'd not to beat
hand, when the other was ſent away.
Experi
ment 28.
ment 28.
We convey'd into the Receiver a new
Glaſs Viol, capable of holding about 6 or
7 ounces of Water, into which we had
before put 2 or 3 Spoon-fulls of that Li
quor, and ſtopt it cloſe with a fit Cork.
The Pneumatical Veſſel being empty'd,
there appear'd not any change in the in
cloſ'd Water, the Air impriſon'd with it,
not having the force to blow out the ſtop-
Glaſs Viol, capable of holding about 6 or
7 ounces of Water, into which we had
before put 2 or 3 Spoon-fulls of that Li
quor, and ſtopt it cloſe with a fit Cork.
The Pneumatical Veſſel being empty'd,
there appear'd not any change in the in
cloſ'd Water, the Air impriſon'd with it,
not having the force to blow out the ſtop-