Schott, Gaspar
,
Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet.
,
1657
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dum ſitientes foveam offendunt
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plenam, culus tamen ſu
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prema ſuperficies humilior
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profundior eſt, quàm vt capite
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ac collo protenſo eam attingere poſſint, calculos ore & vnguibus
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aſportantes foveæ injiciant, vt deſidentibus in fundum lapidi
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bus humor ſubſidentium corporum occupatione elevetur, ſu
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perioremque elatus repleat vacuitatem; ita ſolerti machinatio
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ne reficiuntur. </
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<
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>Vaſis
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puteisque ſi ſolida injicias corpora, quæ
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fundum petant vel ſponte, vel vi depreſſa; elevabitur aqua, &
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per tubos ſuperiùs applicatos effluens in fontem formabitur. </
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Hoc artificio conſtructus erat olim fons ad S. Georg. Venetijs, </
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teſte Ioſepho Ceredo Diſcurſu primo de Modo elevandi aquas
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è locis humilibus, pag. 11. </
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>Binæ enim fabricatæ erant ciſternæ,
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ſeu piſcinæ, humilior ac profundior vna, altera elatior ad prioris
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latus. </
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>Humilior latera habebat anguſta, & putei inſtar erecta;
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è cuius fundo vſque ad collateralis ſuprema labra deduceban
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tur tubi plumbei. </
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>Habebat præterea operculum ligneum atque
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graviſſimum, quod ciſternæ latera vacua implebat, & aquæ in
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cumbens ſuo paulatim pondere deſcendebat, atque aquam
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primens</
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eam intra tubos compellebat; per quos aſcendens, ſub
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ſequentibus alijs aquis pulſa, exonerabat ſeſe intra ſuperiorem
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collateralem ciſternam, indeque pondere ſuo naturaliter dela
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bens per fiſtulas efforma batur in fontem. </
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>Multas alias Machi
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nas hydraulicas eodem conſtructas artificio enumerat ibidem
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citatus Ceredus, & vnam hac ratione adornatam Machinulam
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Scaliger Exercitat. 42. contra Cardanum; ex qua tamen falſum
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deducit modum oſtendendi fontium originem ex mari. </
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<
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porrò ratione in altum elevatur aqua per antlias, quarum ingen
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tem copiam affert Auguſtinus Ramellus inſuo de Machi
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nis hydraulicis opere, & nos aliquas adduce
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mus Claſse I. cap. 2. Machina 6. </
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