Descartes, René
,
Renati Des-Cartes principia philosophiae
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
page
|<
<
of 334
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
main
">
<
s
>
<
pb
pagenum
="
297
"/>
ae
<
gap
/>
rem reflexae. </
s
>
<
s
>Eadem pars R, ſi jacet ſupra aequato
<
lb
/>
rem magnetis, & reſpiciat ejus polum Borealem, ut
<
lb
/>
in C, fiet rurſus polus Auſtralis ferri; ſed ſi invertatur
<
lb
/>
&sreſpiciat polum Auſtralem, ut in D, tunc amittet
<
lb
/>
<
arrow.to.target
n
="
marg1889
"/>
vim poli Auſtralis, & fiet polus Borealis. </
s
>
<
s
>Denique, ſi
<
lb
/>
S pars media iſtius ferri tangat polum magnetis A,
<
lb
/>
particulae ſtriate Boreales, illud ingreſſae per S, utrim
<
lb
/>
que egredientur per R & T; ſicque in utrâque extremi
<
lb
/>
tate recipiet vim poli Auſtralis, & in medio vim poli
<
lb
/>
<
arrow.to.target
n
="
marg1890
"/>
Borealis. </
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1887
"/>
CLIX.
<
lb
/>
Cur ferrum pro variis
<
lb
/>
modis, quibus ma
<
lb
/>
gneti admoyetur, ip
<
lb
/>
ſam diverſimodè reci
<
lb
/>
piat b. </
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1888
"/>
25</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1889
"/>
5</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1890
"/>
10</
s
>
</
p
>
<
figure
id
="
fig86
"
number
="
90
"/>
<
p
type
="
main
">
<
s
>
<
arrow.to.target
n
="
marg1891
"/>
<
lb
/>
Quaeri tantùm poteſt, cur iſtae particulae ſtriatae, ex
<
lb
/>
magnetis polo A ferri partem S ingredientes, non
<
lb
/>
rectà pergant verſus E, ſed potiùs hinc inde reflectan
<
lb
/>
tur verſus R & T; ſicque hoc ferrum ſecundùm ſuam
<
lb
/>
<
arrow.to.target
n
="
marg1892
"/>
longitudinem, potiùs quàm ſecundùm latitudinem,
<
lb
/>
vim magneticam recipiat. </
s
>
<
s
>Sed facilis reſponſio eſt,
<
lb
/>
quia multò magis apertas & facilèes vias inveniunt
<
lb
/>
in ferro, quàm in ae
<
gap
/>
re, à quo idcirco verſus ferrum
<
lb
/>
reflectuntur. </
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1891
"/>
CLX.
<
lb
/>
Cur ferrum oblongum
<
lb
/>
eam non recipiat, niſi
<
lb
/>
ſecundùm ſuam lon
<
lb
/>
gitudinem a. </
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg1892
"/>
15</
s
>
</
p
>
<
p
type
="
main
">
<
s
>
<
arrow.to.target
n
="
marg1893
"/>
<
lb
/>
<
arrow.to.target
n
="
marg1894
"/>
Facilis etiam reſponſio eſt, ſi quaeratur cur magnes
<
lb
/>
nihil amittat de ſuâ vi, cùm eam ferro communicat. </
s
>
<
s
>
<
lb
/>
Nulla enim in magnete mutatio fit, propterea quòd
<
lb
/>
particulae ſtriatae, ex eo egredientes, ferrum potiùs
<
lb
/>
quàm quòdvis aliud corpus ingrediuntur: niſi forſan
<
lb
/>
<
arrow.to.target
n
="
marg1895
"/>
quòd, liberiùs per ſerrum quàm per alia corpora
<
lb
/>
tranſeundo, copioſiùs etiam ex magnete, cùm ferrum
<
lb
/>
ei adjunctum eſt, egrediantur; quo tantum abeſt, ut
<
lb
/>
ejus vis minuatur, quin potiùs augetur. </
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>