WE took a Glaſs Viol able to hold
three or four Ounces of Water,
and of the thickneſs uſual in Glaſſes of
that ſize; into the Neck of this was put
a moderately ſlender Pipe of Glaſs, which
was carefully faſten'd with a mixture of e
qual parts of Pitch and Roſin to the Neck
of the Viol, and which reach'd almoſt to
the bottom of it, as the ſixth Figure de
clares.
three or four Ounces of Water,
and of the thickneſs uſual in Glaſſes of
that ſize; into the Neck of this was put
a moderately ſlender Pipe of Glaſs, which
was carefully faſten'd with a mixture of e
qual parts of Pitch and Roſin to the Neck
of the Viol, and which reach'd almoſt to
the bottom of it, as the ſixth Figure de
clares.
Experi
ment 9.
ment 9.
This Viol being upon a particular de
ſign fill'd with Water, till that came up in
it a pretty deal higher then the lower end
of the Pipe, was put into one of our ſmall
Receivers, (containing between a Pint
and a Quart) in ſuch manner as that the
Glaſs Pipe, paſſing through a hole made
purpoſely for it in the Leaden-Cover of
the Receiver, was for the moſt part of it
without the Veſſel, which being exactly
cloſed, the Pump was ſet awork: But at
the very firſt exſuction, and before the
Sucker was drawn to the bottom of the
Cylinder, there flew out of the Viol a
piece of Glaſs half as broad as the Palm
of a Mans Hand, and it was thrown out
with ſuch violence, that hitting againſt
ſign fill'd with Water, till that came up in
it a pretty deal higher then the lower end
of the Pipe, was put into one of our ſmall
Receivers, (containing between a Pint
and a Quart) in ſuch manner as that the
Glaſs Pipe, paſſing through a hole made
purpoſely for it in the Leaden-Cover of
the Receiver, was for the moſt part of it
without the Veſſel, which being exactly
cloſed, the Pump was ſet awork: But at
the very firſt exſuction, and before the
Sucker was drawn to the bottom of the
Cylinder, there flew out of the Viol a
piece of Glaſs half as broad as the Palm
of a Mans Hand, and it was thrown out
with ſuch violence, that hitting againſt
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