Archimedes Texts

182
cable, 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.

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.

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-