Bernoulli, Daniel, Hydrodynamica, sive De viribus et motibus fluidorum commentarii

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[161.] Regula 8.
[162.] Scholium.
[163.] Regula 9.
[164.] Scholium.
[165.] Scholium Generale.
[166.] (B) De machinis hydraulicis aquas ſine not abili impetu ex loco humiliori in altiorem tranſportantibus. Regula 10.
[167.] Demonſtratio.
[168.] Corollarium.
[169.] Scholium 1.
[170.] Scholium 2.
[171.] Scholium Generale.
[172.] Commentationes ſpeciales de Cochlea Archimedis.
[173.] Problema.
[174.] Solutio.
[175.] Scholium 1.
[176.] Scholium 2.
[177.] Scholium 3.
[178.] Scholium 4.
[179.] Problema.
[180.] Solutio.
[181.] Scholium 1.
[182.] Scholium 2.
[183.] (C) De Machinis, quæ ab impetu fluidi, veluti vi venti moventur.
[184.] HYDRODYNAMICÆ SECTIO DECIMA. De affectionibus atque motibus fluidorum elaſti-corum, præcipue autem aëris. §. 1.
[185.] Digreſsio de refractione radiorum per atmoſphæ-ram transeuntium.
[186.] Problema.
[187.] Solutio.
[188.] Problema.
[189.] Solutio.
[190.] Corollarium 1.
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page |< < (187) of 361 > >|
201187SECTIO NONA.
Exemplum præcedentis regulæ deſumam à cochlea, qualem Vitruvius ad-
hibere
&
conſtruere docet. Facit autem angulum s a o ſemirectum & ſic
m
= M = {1/2} = o, 70710:
deinde inter N G & M G rationem ſtatuit,
quæ
eſt ut 3 ad 4;
inde deducitur angulus G N M vel a M H = 530, 81, ejus-
que
ſinus n = o, 80000 atque conſinus N = o, 60000:
ergo (per art. III.)
eſt ſinus arcus a g altiſſimum punctum o definientis = {m N/M n} = {3/4}, ipſeque
arcus
a g = 480, 351.
Debet adeoque vi regulæ art. VII. arcus extra aquam
eminens
in fundo eſſe 970, 101;
immergeturque arcus 2620, 501.

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