1top of the Pipe ſome drops of it be
gan to run down along the out-ſide of it,
which oblig'd us to forbear pumping a
while, and give the Water leave to ſub
ſide within leſs then two Inches of the
bottom of the Pipe. After this the
Pump being again ſet at work, the bub
bles began to aſcend from the bottom
of the Pipe, being not all of a ſize, but yet
ſo big, that eſtimating one with another,
they appear'd to be of the ſize of the ſmal
ler ſort of Peas; and of theſe we reckon'd
about ſixty which came up one after ano
ther, beſides ſtore of ſmaller ones, of which
we made no reckoning: And at length,
growing weary of reckoning and pumping
too (becauſe we found, that in ſpight
of all our pains and induſtry, ſome un
diſcern'd Leak or other in the Recei
ver hinder'd us from being able to empty
it altogether) we thought fit to deſiſt for
that time. After tryal made of what o
peration the external Air, being let in
upon the expanded Water, would have;
and accordingly turning the Key to let in
the Air, we ſaw, as we expected, that
the Water in the Pipe in a moment fell
down almoſt to the bottom of it.
gan to run down along the out-ſide of it,
which oblig'd us to forbear pumping a
while, and give the Water leave to ſub
ſide within leſs then two Inches of the
bottom of the Pipe. After this the
Pump being again ſet at work, the bub
bles began to aſcend from the bottom
of the Pipe, being not all of a ſize, but yet
ſo big, that eſtimating one with another,
they appear'd to be of the ſize of the ſmal
ler ſort of Peas; and of theſe we reckon'd
about ſixty which came up one after ano
ther, beſides ſtore of ſmaller ones, of which
we made no reckoning: And at length,
growing weary of reckoning and pumping
too (becauſe we found, that in ſpight
of all our pains and induſtry, ſome un
diſcern'd Leak or other in the Recei
ver hinder'd us from being able to empty
it altogether) we thought fit to deſiſt for
that time. After tryal made of what o
peration the external Air, being let in
upon the expanded Water, would have;
and accordingly turning the Key to let in
the Air, we ſaw, as we expected, that
the Water in the Pipe in a moment fell
down almoſt to the bottom of it.
zoom in
zoom out
zoom area
full page
page width
set mark
remove mark
get reference
digilib