1cable, each of which would exerciſe our
Underſtandings, if not poſe them too, if
we would but attentively enough conſider
it, and not ſuperficially contemplate, but
attempt ſatisfactorily to explicate the na
ture of it.
Underſtandings, if not poſe them too, if
we would but attentively enough conſider
it, and not ſuperficially contemplate, but
attempt ſatisfactorily to explicate the na
ture of it.
SInce the writing of the twenty one and
twenty ſecond Experiments (and not
withſtanding all that hath been on their
occaſion deliver'd concerning bubbles) we
made ſome further tryals in proſecution
of the ſame inquiry whereto they were
deſigned.
twenty ſecond Experiments (and not
withſtanding all that hath been on their
occaſion deliver'd concerning bubbles) we
made ſome further tryals in proſecution
of the ſame inquiry whereto they were
deſigned.
Experi
ment 23.
ment 23.
We choſe then, amongſt thoſe Glaſſes
which Chymiſts are wont to call Philoſo
phical Eggs, one that containing about
nine Ounces of Water, had a Neck of
half an Inch in Diameter at the top, and
as we gheſt, almoſt an Inch at the bot
tom; which breadth we pitch'd upon for
a reaſon that will by and by appear: then
filling it with common Water to the
height of about a Foot and a half, ſo
that the upper part remain'd empty, we
ſhut it into the Receiver, and watch'd what
would follow upon pumping, which pro-
which Chymiſts are wont to call Philoſo
phical Eggs, one that containing about
nine Ounces of Water, had a Neck of
half an Inch in Diameter at the top, and
as we gheſt, almoſt an Inch at the bot
tom; which breadth we pitch'd upon for
a reaſon that will by and by appear: then
filling it with common Water to the
height of about a Foot and a half, ſo
that the upper part remain'd empty, we
ſhut it into the Receiver, and watch'd what
would follow upon pumping, which pro-
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