Casati, Paolo
,
Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
Page concordance
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 241
>
Scan
Original
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 241
>
page
|<
<
of 241
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
main
">
<
s
>
<
pb
xlink:href
="
018/01/090.jpg
"
pagenum
="
77
"/>
mentatis tribus tigillis, ducatur recta AB
<
lb
/>
vnciarum 10. ex. </
s
>
<
s
>gr. & ſuper eâ fiat triangu
<
lb
/>
lum æquilaterum AEB. </
s
>
<
s
>Quod ſi tigilli ni
<
lb
/>
mis longi eſſent, interuallo A
<
emph
type
="
italics
"/>
e
<
emph.end
type
="
italics
"/>
deſcribantur
<
lb
/>
duo arcus ſe inuicem ſecantes in
<
emph
type
="
italics
"/>
i
<
emph.end
type
="
italics
"/>
, & inter
<
lb
/>
uallo A
<
emph
type
="
italics
"/>
u
<
emph.end
type
="
italics
"/>
arcus ſe ſecantes in
<
emph
type
="
italics
"/>
o
<
emph.end
type
="
italics
"/>
: per hæc enim
<
lb
/>
puncta ductâ lineâ ex A, accipi poterit AE
<
lb
/>
æqualis ipſi AB, & erit angulus BAE gr. 60.
<
lb
/>
Relinquitur autem tigillus EF longior, vt in
<
lb
/>
FA ſecundùm rectam EA productam in F
<
lb
/>
conſtituatur tubulus H infundibuli in mo
<
lb
/>
rem excauatus, per quem viſus rectâ traii
<
lb
/>
ciatur in deſtinatum ſcopum per aciculam
<
lb
/>
in E perpendiculariter erectam, ex qua de
<
lb
/>
pendet perpendiculum; hoc enim facit cum
<
lb
/>
lineâ EA angulum diſtantiæ obiecti à verti
<
lb
/>
ce obſeruatoris. </
s
>
<
s
>Quantitas verò huius an
<
lb
/>
guli per Trigonometriam reperitur ex datis
<
lb
/>
lateribus AE, & A
<
emph
type
="
italics
"/>
u
<
emph.end
type
="
italics
"/>
& angulo
<
emph
type
="
italics
"/>
u
<
emph.end
type
="
italics
"/>
AE compre
<
lb
/>
henſo gr. 60. ex conſtructione. </
s
>
<
s
>Vel ſi fortè
<
lb
/>
breuiùs operari placeat, fingatur ex E puncto
<
lb
/>
in ſemiſſem lateris AB cadere linea perpen
<
lb
/>
dicularis, cuius quantitas facilè innoteſcit:
<
lb
/>
deinde illâ aſſumptâ vt Radio, vt Tangentę
<
lb
/>
verò diſtantiâ perpendiculi à medio lineæ
<
lb
/>
AB, angulus quæratur, quem facit perpen
<
lb
/>
diculum cum fictâ illâ perpendiculari; hic
<
lb
/>
enim angulus additus gradibus 30. ſi perpen</
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>