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
|<
<
(101)
of 795
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
la
"
type
="
free
">
<
div
xml:id
="
echoid-div51
"
type
="
section
"
level
="
1
"
n
="
51
">
<
p
>
<
s
xml:id
="
echoid-s2454
"
xml:space
="
preserve
">
<
pb
o
="
101
"
file
="
0115
"
n
="
115
"
rhead
="
DE MAGNETE.
"/>
ſitiei Ferro, id quod eſt longius majoribus viribus imprægnari breviori,
<
lb
/>
attamen modo uſque ad aliquam cum perventum ſit longitudinem, tum
<
lb
/>
maximis donari viribus, a qua ſi receſſerit longitudine majori, aut bre-
<
lb
/>
vitate, minores a Magnete vires aufert: </
s
>
<
s
xml:id
="
echoid-s2455
"
xml:space
="
preserve
">Sed maxima virium obſerva-
<
lb
/>
tur differentia inter longitudinem 10 poll. </
s
>
<
s
xml:id
="
echoid-s2456
"
xml:space
="
preserve
">& </
s
>
<
s
xml:id
="
echoid-s2457
"
xml:space
="
preserve
">4 pollic. </
s
>
<
s
xml:id
="
echoid-s2458
"
xml:space
="
preserve
">hæc enim
<
lb
/>
tantum pondus 1 {1/2} grani tulit, altera geſtante 33 grana: </
s
>
<
s
xml:id
="
echoid-s2459
"
xml:space
="
preserve
">non quo-
<
lb
/>
que videtur proportio dari inter ferri longitudinem & </
s
>
<
s
xml:id
="
echoid-s2460
"
xml:space
="
preserve
">virium quan-
<
lb
/>
titatem.</
s
>
<
s
xml:id
="
echoid-s2461
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
<
div
xml:id
="
echoid-div52
"
type
="
section
"
level
="
1
"
n
="
52
">
<
head
xml:id
="
echoid-head60
"
xml:space
="
preserve
">EXPERIMENTUM XXXII.</
head
>
<
p
>
<
s
xml:id
="
echoid-s2462
"
xml:space
="
preserve
">Lamella Chalybea temperata, 4 pollices longa, {4/10} pollic. </
s
>
<
s
xml:id
="
echoid-s2463
"
xml:space
="
preserve
">lata,
<
lb
/>
{1/10} pollic. </
s
>
<
s
xml:id
="
echoid-s2464
"
xml:space
="
preserve
">alta, ſuper polo Magnetis ducta ter, lente & </
s
>
<
s
xml:id
="
echoid-s2465
"
xml:space
="
preserve
">cum de-
<
lb
/>
terminata appreſſione, ab extremo ſuo geſtavit pondus ferreum 72
<
lb
/>
granorum: </
s
>
<
s
xml:id
="
echoid-s2466
"
xml:space
="
preserve
">lamella ferrea mollis, accurate ſimilis & </
s
>
<
s
xml:id
="
echoid-s2467
"
xml:space
="
preserve
">æqualis priori
<
lb
/>
ſuper eodem polo Magnetis ter ducta quoque, cum eadem appreſ-
<
lb
/>
ſione, ab extremo ſuo geſtare tantum potuit ferrum 10 granorum;
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s2468
"
xml:space
="
preserve
">repetiti affrictus ad eundem Magnetem non communicaverunt ma-
<
lb
/>
jores ferro vires; </
s
>
<
s
xml:id
="
echoid-s2469
"
xml:space
="
preserve
">adeo ut Magnes multo majores vires cum Chaly-
<
lb
/>
be communicet quam cum Ferro, & </
s
>
<
s
xml:id
="
echoid-s2470
"
xml:space
="
preserve
">ſecundum hoc Experimentum,
<
lb
/>
quidem ſepties Majores; </
s
>
<
s
xml:id
="
echoid-s2471
"
xml:space
="
preserve
">an eadem proportio in aliis corporibus æ-
<
lb
/>
qualibus ex Chalybe & </
s
>
<
s
xml:id
="
echoid-s2472
"
xml:space
="
preserve
">Ferro confectis obtineat, non determino. </
s
>
<
s
xml:id
="
echoid-s2473
"
xml:space
="
preserve
">
<
lb
/>
Notaverunt plurimi Autores cum Chalybe Magnetem plus virtutis-
<
lb
/>
quam cum ferro communicare, ſed eorum nemo proportionem ac-
<
lb
/>
curate obſervavit; </
s
>
<
s
xml:id
="
echoid-s2474
"
xml:space
="
preserve
">multum differentiæ procul dubio dabitur, prout
<
lb
/>
Chalybs eſt purior impuriorve, & </
s
>
<
s
xml:id
="
echoid-s2475
"
xml:space
="
preserve
">Ferrum hujus alteriuſve indolis,
<
lb
/>
ex Sueciæ vel Germaniæ fodinis effoſſum.</
s
>
<
s
xml:id
="
echoid-s2476
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
<
div
xml:id
="
echoid-div53
"
type
="
section
"
level
="
1
"
n
="
53
">
<
head
xml:id
="
echoid-head61
"
xml:space
="
preserve
">EXPERIMENTUM XXXIII.</
head
>
<
p
>
<
s
xml:id
="
echoid-s2477
"
xml:space
="
preserve
">Magnes fortius trahit Ferrum quam Chalybem, & </
s
>
<
s
xml:id
="
echoid-s2478
"
xml:space
="
preserve
">fortius Cha-
<
lb
/>
lybem mollem quam temperatum, fortius temperatum, quam qui
<
lb
/>
ſummopere induratus eſt.</
s
>
<
s
xml:id
="
echoid-s2479
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2480
"
xml:space
="
preserve
">Memini hoc olim Hartſoekerum quoque obſervaſſe, adnotantem,
<
lb
/>
ſi Magnes poſſit elevare regulam Chaly beam gravitatis 3 unciarum,
<
lb
/>
ipſum tum ad minimum regulam Ferri molliſſimi unciarum </
s
>
</
p
>
</
div
>
</
text
>
</
echo
>