Fabri, Honoré, Dialogi physici in quibus de motu terrae disputatur, 1665

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            <p type="main">
              <s id="s.001153">
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              ſum fertur, non tamen ſervata cylindri forma; licet enim ima portio cy­
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              lyndrica ſit, ſuperior tamen habet ſuperficiem quaſi ſphæricam,
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              ſeu ſphæroidalem, hanc porrò induit aër, vt quaſi cuneatim aqua
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              perrumpat; propria igitur ſpontè; vi ſcilicet levitatis, qua
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              pollet. </s>
            </p>
            <p type="main">
              <s id="s.001154">
                <emph type="italics"/>
              Auguſtin.
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              </s>
              <s id="s.001155"> Si primo noſtro congreſſui interfuiſſes, Chryſocome, hoc
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              experimentum, dubio procul omni, minimè adduxiſſes, obſervaſſes
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              enim aquam ſecundùm latera tubi ſpiratim deſcendere, & ab ea ſurſum
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              aëra extrudi, longè tardiore motu; quia ſurſum aër motu recto fertur,
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              aqua verò deorſum, non recto, ſed ſpirali, quo rectum acceleratum im­
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              peditum compenſat; illud porro aëris faſtigium quaſi cuneatum, non ab
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              aëre vi propria induitur, ſed inducitur ab aquæ pondere versùs tubi late­
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              ra deflectente ad deſcenſum; alioquin ſi aër propria vi hanc figuram in­
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              duit, cur non conicam, quæ ad aſcenſum & aquam perrumpendam lon­
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              gè aptior eſſet; nec enim difficiliùs vnam quàm aliam indueret; immo
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              fortè conicam, quæ ad cylindricam propriùs accedit. </s>
              <s id="s.001156">Vtinam æquè
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              facile mihi eſſet, definire, quænam figura illa ſit, illiuſque cauſam
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              afferre, quam nemo, ſaltem quod ſciam, hucuſque adinvenit; hîc
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              tuam operam, Antime; nec enim eum me reputo; qui hunc nodum
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              ſolvam. </s>
            </p>
            <p type="main">
              <s id="s.001157">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.001158"> Non eſt mihi dubium, quin hæc ſuperficies curva ab aqua ver­
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              sùs latera vaſis inclinante formetur; cùm enim aqua deſcendere non poſſit,
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              niſi aër loco cedat, extruſus ſcilicet ab aqua, & hic ſurſum extrudi non
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              poſſit, niſi humor illi ſeſe ſupponat, vt hoc faciat, eundem aëra quaſi
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              complexa per tubi latera ſpiratim deſcendit. </s>
              <s id="s.001159">An verò dicta ſuperficies pa­
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              rabolica ſit, dubium eſt; cum enim aqua versùs latera vaſis tendat, ſimul
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              & deorſum motu accelerato, inde reſultas motus mixtus, qui lineam pa­
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              rabolicam poſt ſe relinquit, vt jam alij demonſtrarunt; ſed vnde erit mo­
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              tus ille horizontalis cum perpendiculari conjunctus? </s>
              <s id="s.001160">an fortè dicendum
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              eſt, aquam ſpiratim deſcendere, cœpta quaſi à centro ſpira; donec ad
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              latera vaſis perveniat; ab illa autem ſpira deorſum producta ſupremum
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              illud aëris faſtigium tornari, cùm aliter ſpiræ deorſum produci non poſ­
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              ſint: ſed his omiſſis, cùm cylindrus aëris ab aqua ſtringatur, per latera
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              delabente, tantulùm aſſurgat, neceſſe eſt; vnde aqua, cui ſuprema illius
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              baſis ſubeſt, cedit locum; & cùm hæc attolli non poſſit, versùs latera
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              eat oportet, vbi dumtaxat ei locus patet; ſcilicet inter aëra & late­
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              ra vaſis, vnde linea parabolica reſultat; hinc ſi tubus ſit anguſtior, vix
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              aqua cylindrum inter aëris & latera tubi intercipi poteſt; vnde prædicta
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              ſupremi faſtigij forma non ſequitur, quæ certè minùs convexa eſt, ſeu
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              acuta, quò rima inter aëra & latera vaſis, qua perrumpit aqua, eſt angu­
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              ſtior: immo ſi tubus inclinetur, convexitas prædicti faſtigij deorſum ver­
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              sùs inferiùs tubi inclinati latus producitur; quia eò major ponderis aquæ
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              vis fertur, ex quo etiam manifeſtè colligitur, hanc convexi fa­
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              ſtigij figuram ab aqua versùs latera vaſis labente tornari. </s>
              <s id="s.001161">Porrò neſcio an </s>
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