1cloſe themſelves, and to increaſe as the
preſſure of the Air in the Receiver de
creaſ'd. But whereas in the firſt men
tion'd Philoſophical Egge the bubbles
were very ſmall, and never able to ſwell
the Water, that we took notice of, at all
above the mark: In the other, whoſe
Neck, as we lately ſaid, was ſtraightned,
and their paſſage obſtructed, great num
bers of them, and bigger, faſtned them
ſelves to the lower end of the Glaſs ram
mer (if we may ſo call it) and gather'd in
ſuch numbers between that and the ſides
of the Neck, that the Water ſwell'd a
bout a Fingers breadth above the mark,
though upon the admitting of the exter
nal Air it relapſ'd to the former mark, or
rather fell ſomewhat below it. And al
though thereupon in the firſt nam'd Veſ
ſel all the bubbles preſently diſ-appear'd,
yet in the other we obſerv'd, that divers
remained faſtned to the lower part of the
Glaſs rammer, and continued there ſome
what to our wonder, for above an hour
after, but contracted in their Dimen
ſions.
preſſure of the Air in the Receiver de
creaſ'd. But whereas in the firſt men
tion'd Philoſophical Egge the bubbles
were very ſmall, and never able to ſwell
the Water, that we took notice of, at all
above the mark: In the other, whoſe
Neck, as we lately ſaid, was ſtraightned,
and their paſſage obſtructed, great num
bers of them, and bigger, faſtned them
ſelves to the lower end of the Glaſs ram
mer (if we may ſo call it) and gather'd in
ſuch numbers between that and the ſides
of the Neck, that the Water ſwell'd a
bout a Fingers breadth above the mark,
though upon the admitting of the exter
nal Air it relapſ'd to the former mark, or
rather fell ſomewhat below it. And al
though thereupon in the firſt nam'd Veſ
ſel all the bubbles preſently diſ-appear'd,
yet in the other we obſerv'd, that divers
remained faſtned to the lower part of the
Glaſs rammer, and continued there ſome
what to our wonder, for above an hour
after, but contracted in their Dimen
ſions.
Moreover, having ſuffered the Glaſſes
to remain above twenty four hours in the
to remain above twenty four hours in the