1Body towards the left; whereby neither
of them proves able to move it out of
its place, the preſſure on all hands being
reduced as it were to an Æquilibrium: ſo
that the Corpuſcles of the Air muſt be as
well ſometimes conſidered under the no
tion of little Springs, which remaining
bent, are in their entire bulk tranſported
from place to place; as under the notion
of Springs diſplaying themſelves, whoſe
parts flie abroad whilſt as to their entire
bulk they ſcarce change place: As the
two ends of a Bow, ſhot off, fly from one
another, whereas the Bow it ſelf may be
held faſt in the Archers hand; and that it
is the equal preſſure of the Air on all ſides
upon the Bodies that are in it, which cau
ſes the eaſie Ceſſion of its parts, may be
argu'd from hence: That if by the help
of our Engine the Air be but in great
part, though not totally drawn away
from one ſide of a Body without being
drawn away from the other; he that ſhall
think to move that Body too and fro, as
eaſily as before, will finde himſelf much
miſtaken.
of them proves able to move it out of
its place, the preſſure on all hands being
reduced as it were to an Æquilibrium: ſo
that the Corpuſcles of the Air muſt be as
well ſometimes conſidered under the no
tion of little Springs, which remaining
bent, are in their entire bulk tranſported
from place to place; as under the notion
of Springs diſplaying themſelves, whoſe
parts flie abroad whilſt as to their entire
bulk they ſcarce change place: As the
two ends of a Bow, ſhot off, fly from one
another, whereas the Bow it ſelf may be
held faſt in the Archers hand; and that it
is the equal preſſure of the Air on all ſides
upon the Bodies that are in it, which cau
ſes the eaſie Ceſſion of its parts, may be
argu'd from hence: That if by the help
of our Engine the Air be but in great
part, though not totally drawn away
from one ſide of a Body without being
drawn away from the other; he that ſhall
think to move that Body too and fro, as
eaſily as before, will finde himſelf much
miſtaken.
In a Diſ
courſe
touching
ſluidity
and firm
neſs.
courſe
touching
ſluidity
and firm
neſs.
In verification of which we will, to di
vert your Lordſhip a little, mention here
a Phænomenon of our Engine, which even
vert your Lordſhip a little, mention here
a Phænomenon of our Engine, which even