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
="
013/01/234.jpg
"
pagenum
="
204
"/>
<
emph
type
="
italics
"/>
dula
<
emph.end
type
="
italics
"/>
was reckon'd to have made one and
<
lb
/>
twenty Recurſions, wherein the other
<
lb
/>
made but twenty: Yet this Experiment
<
lb
/>
ſeem'd to teach us little, ſave that the dif
<
lb
/>
ference betwixt the motion of ſuch a
<
emph
type
="
italics
"/>
Pen
<
lb
/>
dulum
<
emph.end
type
="
italics
"/>
in the common Air, and in one ex
<
lb
/>
ceedingly rarified, is ſcarce ſenſible in
<
lb
/>
Veſſels no bigger then our Receiver; e
<
lb
/>
ſpecially ſince though during this Expe
<
lb
/>
riment it held very well, yet we could
<
lb
/>
not ſuppoſe it to be altogether devoid of
<
lb
/>
Air. </
s
>
<
s
>We obſerv'd alſo, that when the
<
lb
/>
Receiver was full of Air, the included
<
lb
/>
<
emph
type
="
italics
"/>
Pendulum
<
emph.end
type
="
italics
"/>
continu'd its Recurſions about
<
lb
/>
fifteen minutes (or a quarter of an hour)
<
lb
/>
before it left off ſwinging; and that after
<
lb
/>
the exſuction of the Air, the Vibration
<
lb
/>
of the ſame
<
emph
type
="
italics
"/>
Pendulum
<
emph.end
type
="
italics
"/>
(being freſh put in
<
lb
/>
to motion) appear'd not (by a minutes
<
lb
/>
Watch) to laſt ſenſibly longer. </
s
>
<
s
>So that
<
lb
/>
the event of this Experiment being other
<
lb
/>
then we expected, ſcarce afforded us any
<
lb
/>
other ſatisfaction, then that of our not
<
lb
/>
having omitted to try it. </
s
>
<
s
>And whether
<
lb
/>
in caſe the tryal be made with a
<
emph
type
="
italics
"/>
Pendulum
<
emph.end
type
="
italics
"/>
<
lb
/>
much leſs diſproportionate to the Air then
<
lb
/>
Steel is, the event will much better an
<
lb
/>
ſwer expectation, experience may be con
<
lb
/>
ſulted. </
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>