1moſt boundleſs power; we afterwards pur
poſely try'd this Experiment with ſeveral
Glaſſes ſomewhat thicker then thoſe Vi
ols, and found the event to verifie our con
jecture, that it would not ſucceed: for
the Glaſſes were taken out as intire as they
were put in.
poſely try'd this Experiment with ſeveral
Glaſſes ſomewhat thicker then thoſe Vi
ols, and found the event to verifie our con
jecture, that it would not ſucceed: for
the Glaſſes were taken out as intire as they
were put in.
And here, My Lord, I hold it not un
fit, upon occaſion of the mention that
has been made of our having employ'd
ſmall Receivers, and one of them, not
withſtanding its being crack'd, to annex
theſe two Advertiſements.
fit, upon occaſion of the mention that
has been made of our having employ'd
ſmall Receivers, and one of them, not
withſtanding its being crack'd, to annex
theſe two Advertiſements.
Firſt then, beſides the great Pneuma
tical Glaſs ſo often mention'd, and the
proportionate Stop-cock, we thought fit
to provide our ſelves of ſome ſmall Recei
vers blown of Cryſtalline Glaſs, of ſeve
rall Shapes, and furniſhed with ſmaller
Stop-cocks purpoſely made; and this we
did upon hopes that when we had ſur
mounted the difficulties to be met with in
Cementing the Glaſſes to the Stop
cocks, and the Pneumatical Veſſels to the
Pump ſo exquiſitely as is requiſite for our
purpoſe, we ſhould from the ſmalneſs of
our Receivers receive a four-fold Advan
tage. The firſt, that by reaſon of the
ſlenderneſs of the Veſſels, and their be-
tical Glaſs ſo often mention'd, and the
proportionate Stop-cock, we thought fit
to provide our ſelves of ſome ſmall Recei
vers blown of Cryſtalline Glaſs, of ſeve
rall Shapes, and furniſhed with ſmaller
Stop-cocks purpoſely made; and this we
did upon hopes that when we had ſur
mounted the difficulties to be met with in
Cementing the Glaſſes to the Stop
cocks, and the Pneumatical Veſſels to the
Pump ſo exquiſitely as is requiſite for our
purpoſe, we ſhould from the ſmalneſs of
our Receivers receive a four-fold Advan
tage. The firſt, that by reaſon of the
ſlenderneſs of the Veſſels, and their be-