Clavius, Christoph
,
Gnomonices libri octo, in quibus non solum horologiorum solariu[m], sed aliarum quo[quam] rerum, quae ex gnomonis umbra cognosci possunt, descriptiones geometricè demonstrantur
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GNOMONICES
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plementi arcus G I. </
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<
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xml:space
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">Quare ſi fiat, vt ſinus complementi altitudinis poli ſupra planum inclina-
<
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tum, ad ſinum complementi arcus Meridiani inter planum, & </
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<
s
xml:id
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echoid-s5901
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xml:space
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">polum, ita ſinus totus ad aliud, ha-
<
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bebitur ſinus complementi arcus plani G I, qui angulo H, inclinationis Meridiani B D, ipſius pla-
<
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<
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88
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<
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0122-01
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0122-01
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<
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xlink:label
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xml:space
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>
ni inclinati ad Meridianum A C, ipſius Horizontis opponitur in triangulo G H I, eſtq́; </
s
>
<
s
xml:id
="
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xml:space
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">arcus pla
<
lb
/>
ni inclinati, qui interijcitur inter Meridianum Horizontis, & </
s
>
<
s
xml:id
="
echoid-s5903
"
xml:space
="
preserve
">dictum circulum maximum, hoc
<
lb
/>
<
note
position
="
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xlink:label
="
note-0122-02
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xlink:href
="
note-0122-02a
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xml:space
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">10</
note
>
eſt, Meridianum plani inclinati; </
s
>
<
s
xml:id
="
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xml:space
="
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">atque adeo & </
s
>
<
s
xml:id
="
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"
xml:space
="
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">arcus ipſe G I, cognitus erit.</
s
>
<
s
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xml:space
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</
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<
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>
<
s
xml:id
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xml:space
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">IDEM & </
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>
<
s
xml:id
="
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xml:space
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">facilius conſequemur, ſi planum inclinatum E F, tranſierit per verticem G, ita vt ſit
<
lb
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vnus ex circulis Verticalibus, velut in ſecunda figura apparet: </
s
>
<
s
xml:id
="
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xml:space
="
preserve
">quia tunc arcus G H, Meridiani
<
lb
/>
inter planum, & </
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>
<
s
xml:id
="
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"
xml:space
="
preserve
">polum eſt complementum altitudinis poli ſupra Horizontem, & </
s
>
<
s
xml:id
="
echoid-s5911
"
xml:space
="
preserve
">complementũ
<
lb
/>
ipſius arcus G H, eſt ipſamet altitudo poli ſupra Horizontem, nempe arcus H C.</
s
>
<
s
xml:id
="
echoid-s5912
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xml:space
="
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"/>
</
p
>
<
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>
<
s
xml:id
="
echoid-s5913
"
xml:space
="
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">SIMILITER res facilis erit, ſi planum inclinatum E F, tranſierit per puncta A, C, vbi Ho-
<
lb
/>
rizon, & </
s
>
<
s
xml:id
="
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xml:space
="
preserve
">Meridianus ſe mutuo interſecant, ita vt ſit vnus ex circulis poſitionum, velut in figura
<
lb
/>
tertia apparet: </
s
>
<
s
xml:id
="
echoid-s5915
"
xml:space
="
preserve
">quia tunc arcus Meridiani G H, inter planum, & </
s
>
<
s
xml:id
="
echoid-s5916
"
xml:space
="
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">polum eſt altitudo poli ſupra Ho-
<
lb
/>
rizontem, nempe arcus H C. </
s
>
<
s
xml:id
="
echoid-s5917
"
xml:space
="
preserve
">Conſtat ergo id quod primo loco propoſitum eſt.</
s
>
<
s
xml:id
="
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xml:space
="
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"/>
</
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>
<
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>
<
s
xml:id
="
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xml:space
="
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">DEINDE quoniam eſt, per propoſ. </
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>
<
s
xml:id
="
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"
xml:space
="
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">16. </
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>
<
s
xml:id
="
echoid-s5921
"
xml:space
="
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">lib. </
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>
<
s
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="
echoid-s5922
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xml:space
="
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">4. </
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>
<
s
xml:id
="
echoid-s5923
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xml:space
="
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">Ioan. </
s
>
<
s
xml:id
="
echoid-s5924
"
xml:space
="
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">Regiom. </
s
>
<
s
xml:id
="
echoid-s5925
"
xml:space
="
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">de triangulis, vel per propoſ. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">13.
<
lb
/>
</
s
>
<
s
xml:id
="
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xml:space
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">
<
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xlink:label
="
note-0122-03
"
xlink:href
="
note-0122-03a
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xml:space
="
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">Inclinatio, quã
<
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/>
habet Meridia-
<
lb
/>
nus plani incli-
<
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/>
nati ad Meri-
<
lb
/>
dianũ Horizon
<
lb
/>
tis quo pacto re
<
lb
/>
per@atur.</
note
>
<
note
position
="
left
"
xlink:label
="
note-0122-04
"
xlink:href
="
note-0122-04a
"
xml:space
="
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">30</
note
>
lib. </
s
>
<
s
xml:id
="
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xml:space
="
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">1. </
s
>
<
s
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="
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">Gebri, vel certè per propoſ. </
s
>
<
s
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xml:space
="
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">41. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">noſtrorum triangulorum ſphęricorum, vt ſinus arcus G H,
<
lb
/>
Meridiani inter planum, & </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">polum, ad ſinum anguli recti I, hoc eſt, ad ſinum totum, ita ſinus ar-
<
lb
/>
cus G I, ipſius plani inter duos Meridianos, quem iam inuenimus, ad ſinum anguli H, inclinatio-
<
lb
/>
nis circuli maximi B D, (qui eſt inſtar Meridiani ipſius plani) ad Horizontis Meridianum A C; </
s
>
<
s
xml:id
="
echoid-s5933
"
xml:space
="
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">ſi
<
lb
/>
fiat, vt ſinus arcus Meridiani inter planum, & </
s
>
<
s
xml:id
="
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"
xml:space
="
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">polum, ad ſinum totum, ita ſinus arcus G I, ipſius pla
<
lb
/>
ni inter duos Meridianos inuenti ad aliud, habebitur ſinus anguli H, inclinationis quęſitæ.
<
lb
/>
</
s
>
<
s
xml:id
="
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xml:space
="
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">Quod eſt ſecundum.</
s
>
<
s
xml:id
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xml:space
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</
p
>
<
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>
<
s
xml:id
="
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xml:space
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">EXEMPLVM vtriuſque. </
s
>
<
s
xml:id
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xml:space
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">Ponatur altitudo poli ſupra planum grad. </
s
>
<
s
xml:id
="
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xml:space
="
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">16. </
s
>
<
s
xml:id
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echoid-s5940
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xml:space
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">Min. </
s
>
<
s
xml:id
="
echoid-s5941
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xml:space
="
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">40. </
s
>
<
s
xml:id
="
echoid-s5942
"
xml:space
="
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">Arcus ve-
<
lb
/>
<
note
position
="
left
"
xlink:label
="
note-0122-05
"
xlink:href
="
note-0122-05a
"
xml:space
="
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">Exemplum pri-
<
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/>
mum.</
note
>
rò Meridiani inter planum, & </
s
>
<
s
xml:id
="
echoid-s5943
"
xml:space
="
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">polum grad. </
s
>
<
s
xml:id
="
echoid-s5944
"
xml:space
="
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">30. </
s
>
<
s
xml:id
="
echoid-s5945
"
xml:space
="
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">Si igitur fiat, vt 9579 S. </
s
>
<
s
xml:id
="
echoid-s5946
"
xml:space
="
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">ſinus complementi altitu-
<
lb
/>
dinis poli ſupra planum ad 86602. </
s
>
<
s
xml:id
="
echoid-s5947
"
xml:space
="
preserve
">ſinum complementi arcus Meridiani inter planum, & </
s
>
<
s
xml:id
="
echoid-s5948
"
xml:space
="
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">polum,
<
lb
/>
<
note
position
="
left
"
xlink:label
="
note-0122-06
"
xlink:href
="
note-0122-06a
"
xml:space
="
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">40</
note
>
ita 100000. </
s
>
<
s
xml:id
="
echoid-s5949
"
xml:space
="
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">ſinus totus ad aliud, habebitur hic ferè ſinus 90401. </
s
>
<
s
xml:id
="
echoid-s5950
"
xml:space
="
preserve
">cuius arcus continet grad. </
s
>
<
s
xml:id
="
echoid-s5951
"
xml:space
="
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">64.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s5952
"
xml:space
="
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">min. </
s
>
<
s
xml:id
="
echoid-s5953
"
xml:space
="
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">41. </
s
>
<
s
xml:id
="
echoid-s5954
"
xml:space
="
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">quo detracto ex quadrante, remanebit arcus ipſius plani inter duos Meridianos, grad. </
s
>
<
s
xml:id
="
echoid-s5955
"
xml:space
="
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">25. </
s
>
<
s
xml:id
="
echoid-s5956
"
xml:space
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">
<
lb
/>
min. </
s
>
<
s
xml:id
="
echoid-s5957
"
xml:space
="
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">19. </
s
>
<
s
xml:id
="
echoid-s5958
"
xml:space
="
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">quod eſt primum. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">Poſt hęc, ſi fiat, vt 50000. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">ſinus arcus Meridiani inter planum, & </
s
>
<
s
xml:id
="
echoid-s5961
"
xml:space
="
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">po-
<
lb
/>
lum, ad 100000. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">ſinum totum, ita 42762. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">ſinus arcus inter duos Meridianos inuenti ad aliud, in-
<
lb
/>
uenietur hic ſinus 85524. </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">cuius arcus, nempe inclinatio Meridiani ipſius plani ad Meridianum
<
lb
/>
Horizontis, continet grad. </
s
>
<
s
xml:id
="
echoid-s5965
"
xml:space
="
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">58. </
s
>
<
s
xml:id
="
echoid-s5966
"
xml:space
="
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">min. </
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>
<
s
xml:id
="
echoid-s5967
"
xml:space
="
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">47. </
s
>
<
s
xml:id
="
echoid-s5968
"
xml:space
="
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">quod eſt ſecundum.</
s
>
<
s
xml:id
="
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"
xml:space
="
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"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s5970
"
xml:space
="
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">RVRSVS ponatur altitudo poli ſupra planum grad. </
s
>
<
s
xml:id
="
echoid-s5971
"
xml:space
="
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">66. </
s
>
<
s
xml:id
="
echoid-s5972
"
xml:space
="
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">Min. </
s
>
<
s
xml:id
="
echoid-s5973
"
xml:space
="
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">47 arcus verò Meridiani inter
<
lb
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planum & </
s
>
<
s
xml:id
="
echoid-s5974
"
xml:space
="
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">polum grad. </
s
>
<
s
xml:id
="
echoid-s5975
"
xml:space
="
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">90. </
s
>
<
s
xml:id
="
echoid-s5976
"
xml:space
="
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">vt contingit in plano declinante à Verticali, à ſeptentrione in ortum
<
lb
/>
grad. </
s
>
<
s
xml:id
="
echoid-s5977
"
xml:space
="
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">30. </
s
>
<
s
xml:id
="
echoid-s5978
"
xml:space
="
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">inclinato verò ad Horizontem grad. </
s
>
<
s
xml:id
="
echoid-s5979
"
xml:space
="
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">52. </
s
>
<
s
xml:id
="
echoid-s5980
"
xml:space
="
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">min. </
s
>
<
s
xml:id
="
echoid-s5981
"
xml:space
="
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">3. </
s
>
<
s
xml:id
="
echoid-s5982
"
xml:space
="
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">ex parte auſtrali, in latitudine grad. </
s
>
<
s
xml:id
="
echoid-s5983
"
xml:space
="
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">42. </
s
>
<
s
xml:id
="
echoid-s5984
"
xml:space
="
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">vt
<
lb
/>
ex præcedentibus colligi poteſt. </
s
>
<
s
xml:id
="
echoid-s5985
"
xml:space
="
preserve
">Si igitur fiat, vt 39420. </
s
>
<
s
xml:id
="
echoid-s5986
"
xml:space
="
preserve
">ſinus complementi altitudinis poli ſupra
<
lb
/>
<
note
position
="
left
"
xlink:label
="
note-0122-07
"
xlink:href
="
note-0122-07a
"
xml:space
="
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">50</
note
>
planum inclinatum ad ſinum complementi arcus Meridiani inter planum & </
s
>
<
s
xml:id
="
echoid-s5987
"
xml:space
="
preserve
">polum, quod nul
<
lb
/>
lum eſt, ita 100000. </
s
>
<
s
xml:id
="
echoid-s5988
"
xml:space
="
preserve
">ſinus totus ad aliud, habebitur hic ſinus o, cuius arcus grad. </
s
>
<
s
xml:id
="
echoid-s5989
"
xml:space
="
preserve
">0. </
s
>
<
s
xml:id
="
echoid-s5990
"
xml:space
="
preserve
">Min. </
s
>
<
s
xml:id
="
echoid-s5991
"
xml:space
="
preserve
">0. </
s
>
<
s
xml:id
="
echoid-s5992
"
xml:space
="
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">detra-
<
lb
/>
ctus ex grad. </
s
>
<
s
xml:id
="
echoid-s5993
"
xml:space
="
preserve
">90. </
s
>
<
s
xml:id
="
echoid-s5994
"
xml:space
="
preserve
">relinquit arcum ipſius plani inter duos Meridianos grad. </
s
>
<
s
xml:id
="
echoid-s5995
"
xml:space
="
preserve
">90. </
s
>
<
s
xml:id
="
echoid-s5996
"
xml:space
="
preserve
">quod eſt primum.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s5997
"
xml:space
="
preserve
">Rurſus ſi fiat, vt 100000. </
s
>
<
s
xml:id
="
echoid-s5998
"
xml:space
="
preserve
">ſinus arcus Meridiani inter planum, & </
s
>
<
s
xml:id
="
echoid-s5999
"
xml:space
="
preserve
">polum, ad 100000. </
s
>
<
s
xml:id
="
echoid-s6000
"
xml:space
="
preserve
">ſinum totum,
<
lb
/>
ita 100000. </
s
>
<
s
xml:id
="
echoid-s6001
"
xml:space
="
preserve
">ſinus arcus plani inter duos Meridianos inuẽti, ad aliud, reperietur ſinus hic 100000. </
s
>
<
s
xml:id
="
echoid-s6002
"
xml:space
="
preserve
">
<
lb
/>
cuius arcus grad. </
s
>
<
s
xml:id
="
echoid-s6003
"
xml:space
="
preserve
">90. </
s
>
<
s
xml:id
="
echoid-s6004
"
xml:space
="
preserve
">erit inclinatio Meridiani ipſius ad Meridianum Horizontis. </
s
>
<
s
xml:id
="
echoid-s6005
"
xml:space
="
preserve
">quæ res cum ſu-
<
lb
/>
perioribus conſentit. </
s
>
<
s
xml:id
="
echoid-s6006
"
xml:space
="
preserve
">Quia enim polus Meridiani ipſius plani inclinati eſt punctum, vbi Aequa-
<
lb
/>
tor Meridianum interſecat, vt in pręcedenti propoſ. </
s
>
<
s
xml:id
="
echoid-s6007
"
xml:space
="
preserve
">diximus, neceſſe eſt ex coroll. </
s
>
<
s
xml:id
="
echoid-s6008
"
xml:space
="
preserve
">propoſitionis
<
lb
/>
16. </
s
>
<
s
xml:id
="
echoid-s6009
"
xml:space
="
preserve
">lib. </
s
>
<
s
xml:id
="
echoid-s6010
"
xml:space
="
preserve
">1. </
s
>
<
s
xml:id
="
echoid-s6011
"
xml:space
="
preserve
">Theodoſij, arcum ipſius plani à polo dicto vſq; </
s
>
<
s
xml:id
="
echoid-s6012
"
xml:space
="
preserve
">ad Meridianũ ipſius eſſe quadrantẽ, &</
s
>
<
s
xml:id
="
echoid-s6013
"
xml:space
="
preserve
">c.</
s
>
<
s
xml:id
="
echoid-s6014
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s6015
"
xml:space
="
preserve
">ALIVD exemplũ pro ſecunda figura. </
s
>
<
s
xml:id
="
echoid-s6016
"
xml:space
="
preserve
">Ponatur planũ E F, declinare à meridie in ortum, vel à
<
lb
/>
<
note
position
="
left
"
xlink:label
="
note-0122-08
"
xlink:href
="
note-0122-08a
"
xml:space
="
preserve
">Exemplum ſe-
<
lb
/>
cundum.</
note
>
ſeptentrione in occaſum, grad. </
s
>
<
s
xml:id
="
echoid-s6017
"
xml:space
="
preserve
">30. </
s
>
<
s
xml:id
="
echoid-s6018
"
xml:space
="
preserve
">in Horizonte Romano, vel vbi polus ſupra Horizõtem </
s
>
</
p
>
</
div
>
</
text
>
</
echo
>