Schott, Gaspar
,
Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet.
,
1657
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aer per foramen
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M
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ingredietur. </
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<
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>Atque hoc vsque eò fiet, quoad vitreum
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operculum repletum fuerit. </
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<
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>Oportebit autem loca
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AD, CB, EF,
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inter
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ſe æqualia eſſe, vt ad invicem & aër, & humidum transferantur. </
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do autem vas
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CB
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exinanitum fuertt, & conſtiterit aër is continuitas,
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rurſus ex vitreo operculo aqua in vas
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AD
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deferetur, aëre per canalem
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N,
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& per
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GH
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tubum in vitreum operculum ingrediente, qui verò
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eſt in vase
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AD
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aër per foramen
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M
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excedet.
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<
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>Ita Hero; ſed errat autipſe, aut eius interpres: debete
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nim canalis N deſcendere infra vas perpendiculariter ad tantam
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profunditatem, quanta eſt longitudo KL, vt attrahatur tota a
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qua vaſis AD; alioquin poſtquam effluxerit aliquantulum a
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quæ ex canali N, traxeritque aliquantulum aëris ex cylindro
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EF, & aquæ ex vaſe AD, ceſſabit omnino aquæ fluxus, ob de
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fectum perpendiculi æqualis perpendiculo KL, ſaltem ab ſu
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prema ſuperficie aquæ vaſis AD, vſque ad orificium K tubi
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prædict KL. </
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>Qui defectus ſi ſuppleatur, ſequetur effectus deſide
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ratus. </
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>Porta tamen loco citato, occaſione huius Heronianæ
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induſtriæ, alium excogita vit modum elevandi vi attractiva ex
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inferiori ad ſuperius vas aquam: quem legere poteris apud
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. </
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§. VIII.
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Alius Heronis error in elevanda aqua
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vi attractiva.
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<
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>ALium errorem committit Hero lib. cit. de Spiritalibus cap. 5. </
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ſi tamen & hic non eſt adſcribendus interpreti. </
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<
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>Docere
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vult Hero modum elevandi atque attrahendi humidum ex vaſe
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per ſiphonem inverſum, cuius vnum crus ſit humido
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,
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alterum extra vas promineat, non attrahendo prius per os no
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ſtrum aërem ex ſiphone, ſed appendendo vas quodpiam aquâ
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plenum: Sic ergo diſcurrit. </
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Error alius
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Heronis.
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Sit ſmerismation aliquod, cuius maſculum quidem apponatur
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extrinſeco ſiphonis cruri, ita vt per ipſum fluat, ſitque
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TV;
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famina ve-
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