Casati, Paolo
,
Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
page
|<
<
of 241
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
main
">
<
s
>
<
pb
xlink:href
="
018/01/018.jpg
"
pagenum
="
10
"/>
<
arrow.to.target
n
="
note6
"/>
<
lb
/>
multorum artificum imperitiam, qui ex ma
<
lb
/>
chinarum tantùm augmento vires ad mo
<
lb
/>
uenda pondera augeri autumantes, multo la
<
lb
/>
bore, nec modicâ argenti iacturâ immanes
<
lb
/>
aliquando machinas conſtruunt, quæ vel mo
<
lb
/>
le ſuâ prægrauatæ fatiſcunt, vel motam mo
<
lb
/>
tui inferunt non mediocrem, adeò vt ſolius
<
lb
/>
machinæ motio, etiam ſecluſo pondere, cui
<
lb
/>
mouendo deſtinatur machina, validioris po
<
lb
/>
tentiæ vires abſumat: cum tamen rem to
<
lb
/>
tam minore negotio, nec ſpernendo pecu
<
lb
/>
niæ atquè laboris compendio, perficere poſ
<
lb
/>
ſent, ſi rectè intelligerent, quantum machi
<
lb
/>
narum compoſitio præſtet earum augmento. </
s
>
<
s
>
<
lb
/>
Id quod ex quinque his axibus in Peritrochio
<
lb
/>
inter ſe compoſitis luculentiſſimè demon
<
lb
/>
ſtratur; ſi enim axi, cuius diameter palma
<
lb
/>
ris, rotam velis infigere, qua poſſis idem̨
<
lb
/>
mouere pondus, quod tribus tantùm ex pro
<
lb
/>
poſitis rotis A, B, C, mouetur, quàm imma
<
lb
/>
nis illa erit? </
s
>
<
s
>Quippe quæ 125 palmos ſe
<
lb
/>
cundùm diametrum obtineat: quàm diffi
<
lb
/>
cilis ad conuerſionem? </
s
>
<
s
>ob ingentem grauita
<
lb
/>
tis cardines prementis reſiſtentiam: quàm
<
lb
/>
multo argento parabilis? </
s
>
<
s
>cum ea ſola ad tres
<
lb
/>
A, B, C, ſimul ſumptas eſſet vt minimùm in
<
lb
/>
Ratione Quadrati ſuæ diametri 125 ad tri
<
lb
/>
plum Quadratum diametri rotæ A, hoc eſt </
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>