Heron <Alexandrinus>
,
Heronis Alexandrini spiritalium liber
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HERONIS
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rotundum Q juxta fundum, cui clavicula apponatur à Romanis aſſarium
<
lb
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appellata, cujus conſtructionem deinceps exponemus: </
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<
s
xml:id
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echoid-s516
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xml:space
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lb
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bus Z Ω demittatur aptatus in tubum T Y V. </
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<
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xml:space
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">Siigitur evellentes tubum
<
lb
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ZΩ, in ipſum T Y V humidum infundamus, ingredieturillud in ſphæ-
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lb
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ræ alveum per foramen Q, aperta clavicula in partem exteriorem, atque
<
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aëre recedente per tubi O P foramina jam dicta, & </
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>
<
s
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xml:space
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">poſita ſecundum fo-
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ramina, quæ in tubis GHKL,
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F M N X. </
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">Itaque cum dimi-
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lb
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dium ſphæræ occupaverit hu-
<
lb
/>
midum, inclinamus tubulum
<
lb
/>
SR, ita ut foramina ſibiipſis re-
<
lb
/>
ſpondentia permutentur: </
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>
<
s
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xml:space
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">poſtea
<
lb
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demittentes tubum ZΩ per i-
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lb
/>
pſum extrudimus aërem, & </
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>
<
s
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xml:space
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">hu-
<
lb
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midum in tubo T Y V conten-
<
lb
/>
tum, qui quidem per clavicu-
<
lb
/>
lam in ſphæræ alveum cum
<
lb
/>
violentia irrumpit, propterea
<
lb
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quod ſphæra plena ſit aëre & </
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<
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humido: </
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<
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">fit autem irruptio ob
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lb
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aëris compreſſionem in vacua,
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lb
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quæ intra ipſum includuntur,
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pervadentis. </
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<
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xml:space
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">Deinde rurſus
<
lb
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evellentes tubum Z Ω, ita ut
<
lb
/>
T Y V tubus aëre impleatur,
<
lb
/>
rurſus tubum Z Ω demittemus,
<
lb
/>
atque in ſphæram prædictum
<
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aërem impellemus: </
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>
<
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xml:space
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">idque ſæ-
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lb
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pius facientes habebimus in
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lb
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ſphæra multum aërem compreſ-
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lb
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ſum. </
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>
<
s
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xml:space
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">At vero incluſum aërem
<
lb
/>
evulſo embolo non exire perſpicuum eſt, quod clavicula ab ipſo ad in-
<
lb
/>
teriores partes impulſa claudatur. </
s
>
<
s
xml:id
="
echoid-s527
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xml:space
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">Si igitur rurſus elevabimus tubulum
<
lb
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R S ita ut rectus fiat, & </
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>
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">foramina ſibi ipſis reſpondeant, tunc exprime-
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tur humidum, quod aër compreſſus in propriam magnitudinem effunda-
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tur, & </
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<
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<
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">Quod ſi compreſſus aër multus
<
lb
/>
ſit, totum expellet humidum, ita ut etiam ſuperfluus aër ſimul cum humi-
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/>
do ejiciatur.</
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