Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
Table of figures
<
1 - 10
[out of range]
>
<
1 - 10
[out of range]
>
page
|<
<
of 862
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
main
">
<
s
>
<
pb
xlink:href
="
013/01/275.jpg
"
pagenum
="
245
"/>
der that attracted this weight to obviate
<
lb
/>
a
<
emph
type
="
italics
"/>
Vacuum,
<
emph.end
type
="
italics
"/>
will ſcarce be ſatisfactory; un
<
lb
/>
leſs it can be cleerly made out by what li
<
lb
/>
tle hooks, or other grappling Inſtruments,
<
lb
/>
the internal Air could take hold of the
<
lb
/>
Sucker; how ſo litle of it obtain'd the
<
lb
/>
force to lift up ſo great a weight; and why
<
lb
/>
alſo, upon the letting in of a litle more
<
lb
/>
Air into one of our evacuated Veſ
<
lb
/>
ſels, the attraction is, inſtead of being
<
lb
/>
ſtrengthen'd, much weaken'd, though,
<
lb
/>
if there were danger of a
<
emph
type
="
italics
"/>
Vacuum
<
emph.end
type
="
italics
"/>
be
<
lb
/>
fore, it would remain, notwithſtanding
<
lb
/>
this ingreſs of a little Air. </
s
>
<
s
>For that ſtill
<
lb
/>
there remain'd in the capacity of the ex
<
lb
/>
hauſted Cylinder ſtore of little rooms,
<
lb
/>
or ſpaces empty or devoid of Air, may
<
lb
/>
appear by the great violence wherewith
<
lb
/>
the air ruſhes in, if any way be open'd to it.
<
lb
/>
</
s
>
<
s
>And that 'tis not ſo much the decrement
<
lb
/>
of the
<
emph
type
="
italics
"/>
Vacuum
<
emph.end
type
="
italics
"/>
within the cavity of the
<
lb
/>
veſſel that debilitates the attraction, as the
<
lb
/>
ſpring of the included air (whoſe preſence
<
lb
/>
makes the decrement) that does it by
<
lb
/>
reſiſting the preſſure of the external Air,
<
lb
/>
ſeems probable, partly from the Diſabi
<
lb
/>
lity of vacuities, whether greater or leſſer,
<
lb
/>
to reſiſt the preſſure of the Air; and part
<
lb
/>
ly by ſome of the
<
emph
type
="
italics
"/>
Phænomena
<
emph.end
type
="
italics
"/>
of our Ex-</
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>