1of the ſhank, (X) that hole was ſtopt
with a Cork, to which was faſtned a ſtring,
whereby it might be pull'd out of the up
per Orifice of the Receiver; and then,
the glaſs neck of the Receiver being well
warm'd, was thruſt into this Cement, and
over the ſhank whereby it was effected,
that all the ſpace betwixt the tin Plate and
the Receiver, and betwixt the internal
ſuperficies of the Receiver, and the
ſhanck of the Cock, was filld with the
Cement; and ſo we have diſpach'd the
firſt and upper part of the Engine.
with a Cork, to which was faſtned a ſtring,
whereby it might be pull'd out of the up
per Orifice of the Receiver; and then,
the glaſs neck of the Receiver being well
warm'd, was thruſt into this Cement, and
over the ſhank whereby it was effected,
that all the ſpace betwixt the tin Plate and
the Receiver, and betwixt the internal
ſuperficies of the Receiver, and the
ſhanck of the Cock, was filld with the
Cement; and ſo we have diſpach'd the
firſt and upper part of the Engine.
The undermoſt remaining part conſiſts
of a Frame, and of a ſucking Pump, or
as we formerly call'd it, an Air Pump, ſup
ported by it: The Frame is of Wood,
ſmall, but very ſtrong, conſiſting of three
legs, (111) ſo plac'd, that one ſide of
it may ſtand perpendicular, that the free
motion of the hand may not be hindered.
In the midſt of which frame, is tranſverſly
nail'd a board, (222) which may not im
properly be call'd a Midriff, upon which
reſts, and to which is ſtrongly faſtned, the
main part of the Pump it ſelf, which is
the onely thing remaining to be deſcri
bed.
of a Frame, and of a ſucking Pump, or
as we formerly call'd it, an Air Pump, ſup
ported by it: The Frame is of Wood,
ſmall, but very ſtrong, conſiſting of three
legs, (111) ſo plac'd, that one ſide of
it may ſtand perpendicular, that the free
motion of the hand may not be hindered.
In the midſt of which frame, is tranſverſly
nail'd a board, (222) which may not im
properly be call'd a Midriff, upon which
reſts, and to which is ſtrongly faſtned, the
main part of the Pump it ſelf, which is
the onely thing remaining to be deſcri
bed.
The Pump conſiſts of four parts, a