Archimedes Texts

215
ple, which event, though it were no other
then we expected, was differing from what
we desir'd. For we would gladly have seen
what change would have appear'd in the
Water upon the Bottles being suddenly
unstopp'd, in a place where the ambient
Body was so differing from our common
Air. Wherefore we did again put in the
Viol, but less strongly clos'd then for
merly, though as strongly stopt as seem'd
requisite on ordinary occasions: But when
the Air was pump'd out of the Receiver,
that within the Viol did quickly, as we
expected, find or make it self little passa
ges to get out at: as we argu'd, from this,
That whereas when the Viol was put in
the time before, the Water remain'd all
the while perfectly free from bubbles; at
this time the bottom of the Glass ap
pear'd all cover'd with them, and they,
upon the regress of the excluded Air into
the Receiver, did presently flag and shrink
up.

From these tryals it seem'd deducible
enough, that whil'st the Viol continu'd
to be well stopt, the included Water
did, from the Air, shut up with it,
sustain a pressure equal to that of the
Atmosphere; since till the Air could get