Archimedes Texts

264
rest of the Pipe, whose bore was about [...] /4
of an Inch. The whole Siphon made
up of these several pieces put together,
was design'd to be about a Foot and a
half long; that the remaining Air, when
the Vessel was exhausted after the wont
ed manner, might not be able to impell
the Water to the top of the Siphon;
which being inverted, was fill'd with Wa
ter, and of which the Shorter leg being
let down two or three Inches deep into a
Glass Vessel full of Water, and the up
per parts of it being fasten'd to the inside
of the Cover of the Receiver, we pro
ceeded to close first, and then to empty
the Vessel.

The effect of the tryal was this, that
till a pretty quantity of Air had been
drawn out, the Water dropp'd freely out
at the lower end of the lower leg of the
Siphon, as if the Experiment had been
performed in the free Air. But afterwards,
the Bubbles (as had been apprehended)
began to disclose themselves in the Wa
ter, and ascending to the top of the Si
phon, imbodyed themselves there into
one, which was augmented little by little
by the rising of other bubbles that from
time to time broke into it, but much