Musschenbroek, Petrus van
,
Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Notes
Handwritten
Figures
Content
Thumbnails
Table of handwritten notes
<
1 - 2
[out of range]
>
<
1 - 2
[out of range]
>
page
|<
<
(139)
of 795
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
la
"
type
="
free
">
<
div
xml:id
="
echoid-div104
"
type
="
section
"
level
="
1
"
n
="
104
">
<
pb
o
="
139
"
file
="
0153
"
n
="
153
"
rhead
="
DEMAGNETE.
"/>
<
p
>
<
s
xml:id
="
echoid-s3411
"
xml:space
="
preserve
">Tab. </
s
>
<
s
xml:id
="
echoid-s3412
"
xml:space
="
preserve
">7. </
s
>
<
s
xml:id
="
echoid-s3413
"
xml:space
="
preserve
">fig. </
s
>
<
s
xml:id
="
echoid-s3414
"
xml:space
="
preserve
">4. </
s
>
<
s
xml:id
="
echoid-s3415
"
xml:space
="
preserve
">Magnes A innatans Cymbæ in vaſe aquæ pleno
<
lb
/>
C B D, polo m Auſtrali reſpiciat Zenith; </
s
>
<
s
xml:id
="
echoid-s3416
"
xml:space
="
preserve
">ſupra vaſis medium pen-
<
lb
/>
deat acus ferrea E, in quam agat Magnes, ut eo melius in medio
<
lb
/>
vaſis teneatur; </
s
>
<
s
xml:id
="
echoid-s3417
"
xml:space
="
preserve
">Magnetis aliquamdiu ſibi commiſſi notetur pars pla-
<
lb
/>
gam Boream ſpectans; </
s
>
<
s
xml:id
="
echoid-s3418
"
xml:space
="
preserve
">deinde convertatur, iterum ſibi relictus, eô-
<
lb
/>
dem latere ad plagam Boream convertetur, quemadmodum primus
<
lb
/>
obſervavit Grandamicus.</
s
>
<
s
xml:id
="
echoid-s3419
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
<
div
xml:id
="
echoid-div105
"
type
="
section
"
level
="
1
"
n
="
105
">
<
head
xml:id
="
echoid-head114
"
xml:space
="
preserve
">EXPERIMENTUM LXXXIII.</
head
>
<
p
>
<
s
xml:id
="
echoid-s3420
"
xml:space
="
preserve
">Tab. </
s
>
<
s
xml:id
="
echoid-s3421
"
xml:space
="
preserve
">7. </
s
>
<
s
xml:id
="
echoid-s3422
"
xml:space
="
preserve
">fig. </
s
>
<
s
xml:id
="
echoid-s3423
"
xml:space
="
preserve
">5. </
s
>
<
s
xml:id
="
echoid-s3424
"
xml:space
="
preserve
">Sit Magnes A, C, D, K, cujus ambo poli
<
lb
/>
A, D, proinde cujus axis ſit A D, dividatur bifariam in C K, ſectio-
<
lb
/>
ne perpendiculari ad axim, erit unius ſegmenti polus A, antea Au-
<
lb
/>
ſtralis, adhuc Auſtralis, & </
s
>
<
s
xml:id
="
echoid-s3425
"
xml:space
="
preserve
">B Boreus: </
s
>
<
s
xml:id
="
echoid-s3426
"
xml:space
="
preserve
">alterius ſegmenti pars a, quæ
<
lb
/>
adhæſit polo Boreo B, erit polus Auſtralis, pars D polus Boreus, ut
<
lb
/>
ante.</
s
>
<
s
xml:id
="
echoid-s3427
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s3428
"
xml:space
="
preserve
">Eſt hoc Experimentum in controverſo, & </
s
>
<
s
xml:id
="
echoid-s3429
"
xml:space
="
preserve
">ideo merebatur exa-
<
lb
/>
men accuratius & </
s
>
<
s
xml:id
="
echoid-s3430
"
xml:space
="
preserve
">novum: </
s
>
<
s
xml:id
="
echoid-s3431
"
xml:space
="
preserve
">quicunque autem non poſſidet viles Ma-
<
lb
/>
gnetes, aut artem eos ſeparandi non callet, idem inſtituere poteſt
<
lb
/>
cum filo ferreo, prius ſuper Magnete ducto, hoc enim in partes
<
lb
/>
diviſum eadem præbebit phænomena: </
s
>
<
s
xml:id
="
echoid-s3432
"
xml:space
="
preserve
">Del Porta in Magia Nat. </
s
>
<
s
xml:id
="
echoid-s3433
"
xml:space
="
preserve
">& </
s
>
<
s
xml:id
="
echoid-s3434
"
xml:space
="
preserve
">
<
lb
/>
poſtea Ridley, in Treatiſe of Magnetic Bodies Ch. </
s
>
<
s
xml:id
="
echoid-s3435
"
xml:space
="
preserve
">9. </
s
>
<
s
xml:id
="
echoid-s3436
"
xml:space
="
preserve
">contrarium
<
lb
/>
affirmant, ſtatuentes polum Auſtralem A mutatum iri in Borealem
<
lb
/>
factâ ſectione: </
s
>
<
s
xml:id
="
echoid-s3437
"
xml:space
="
preserve
">An hoc ipſis contigerit neſcio, & </
s
>
<
s
xml:id
="
echoid-s3438
"
xml:space
="
preserve
">dubito: </
s
>
<
s
xml:id
="
echoid-s3439
"
xml:space
="
preserve
">mihi con-
<
lb
/>
trarium evenit, atque mecum conſentiunt Gilbertus Lib. </
s
>
<
s
xml:id
="
echoid-s3440
"
xml:space
="
preserve
">2. </
s
>
<
s
xml:id
="
echoid-s3441
"
xml:space
="
preserve
">Cap. </
s
>
<
s
xml:id
="
echoid-s3442
"
xml:space
="
preserve
">5.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s3443
"
xml:space
="
preserve
">de Magnete, tum Barlow in Magnetical advertiſements, Chap. </
s
>
<
s
xml:id
="
echoid-s3444
"
xml:space
="
preserve
">2. </
s
>
<
s
xml:id
="
echoid-s3445
"
xml:space
="
preserve
">
<
lb
/>
Non tamen falſitatis argui poteſt del Porta aut Ridleyus, quia
<
lb
/>
forſitan facturi hoc Experimentum, cuneo fiderunt Magnetem,
<
lb
/>
magnam ipſi vim inferendo, quo mutata eſt vis directrix Magnetis; </
s
>
<
s
xml:id
="
echoid-s3446
"
xml:space
="
preserve
">
<
lb
/>
obſervavi enim, quando filum ferreum in partes ope limæ lente,
<
lb
/>
ſed penitus ſecabam, directricem vim in omnibus ſegmentis man-
<
lb
/>
ſiſſe eandem; </
s
>
<
s
xml:id
="
echoid-s3447
"
xml:space
="
preserve
">cum vero partes fili tantummodo uſque ad medium
<
lb
/>
lima ſeparaveram, & </
s
>
<
s
xml:id
="
echoid-s3448
"
xml:space
="
preserve
">reliquum inflectendo frangebam, vel cuneo
<
lb
/>
malleoque findebam, polum Auſtralem mutatum eſſe in ſemi-
<
lb
/>
boreum, imo aliquando penitus in Boreum, unde ejuſmodi ſegmen-
<
lb
/>
tum duos polos Boreos in ſuis extremitatibus habebat.</
s
>
<
s
xml:id
="
echoid-s3449
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
</
text
>
</
echo
>