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

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              <s id="s.001362">
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              Antim.
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              </s>
              <s id="s.001363"> Abſit, vt hoc dicam; licet enim fortè tantula compreſſio in Lunari
                <lb/>
              Atmoſphæra fiat, non tamen ad nos vſque
                <expan abbr="extẽditur">extenditur</expan>
              , vt videre eſt in explo­
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              ſione majoris bombardæ, ex qua circumfuſi aëris compreſſio ſequitur, quæ
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              tamen ad modicam diſtantiam producitur; intelligo igitur de ipſius aëris
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              pondere; vt enim aquæ pondus aëra in fontibus illis artefactis, quos ſæpè
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              videritis, contentum, comprimit, quidni pondus ſuperioris aëris alium
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              comprimat? </s>
              <s id="s.001364">cogita Cylindrum plumbeum tantæ altitudinis, quanta opus
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              eſt, vt tanti ponderis vi, versùs baſim ſubſidat, ac dilatetur; multò magis
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              ſi columnam ceream, vel ex butyro, aut charta erectam, maximæ ſcilicet
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              altitudinis tibi ante oculos ponas; ſubſidet enim pars inferior, quanquam
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              inæqualiter, erunt enim preſſiones, vt altitudines, nimirum vt pondera;
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              quidni ergo aër, qui certè dilatari nequit, vt butyrum, nec enim locus eſt,
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              ſed tantùm comprimi, innitentis ponderis vi comprimatur? </s>
              <s id="s.001365">cùm perinde
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              ſit, ex quacumque tandem materia pondus conſtet, & mille aëris libræ eun­
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              dem effectum gravitando habeant, quem totidem aquæ, vel alterius mate­
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              riæ libræ haberent. </s>
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            <p type="main">
              <s id="s.001366">
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              Chryſocom.
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              <s id="s.001367"> Sentiremus haud dubiè ingens illud pondus, nec ferendo pa­
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              res eſſemus. </s>
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            <p type="main">
              <s id="s.001368">
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              Auguſtin.
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              <s id="s.001369"> An fortè ſentiunt vrinatores immerſi ingens aquæ pondus
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              illorum capiti ſuperfuſum? </s>
              <s id="s.001370">Minimè verò; immò ſentire non debent, cùm
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              præcipuus corporis gravitantis, liquidi ſcilicet, effectus ſit corpus
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              ſubjectum levius non deorſum, at ſurſum extrudere; ſic aqua in li­
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              gnum immerſum gravitat; equidem aqua in fundum vaſis lignei gravitat,
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              deorſumque pellit, ſi aër ſubtus eſt, vt patet, & ſimile pondus aquæ, ma­
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              nus foramini in fundo dicti vaſis appoſita ſentiret, modò manus foramen
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              adæquaret: at ſi lignum vel corpus levius aquæ immergatur, in id aqua
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              ita gravitat, vt illud ſurſum extrudat, non verò deprimat deorſum; ſi ve­
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              rò ſit gravius aqua, ex parte ſaltem illud ſuſtentat, vnde appenſum in
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              aqua, minùs illius pondus ſentitur: ab illo igitur periculo immunes ſumus,
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              nec timendum nobis eſt, ne ab aëre obruamur: at ni fallor, ex præmiſſa
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              gravitatione longè latéque aëris ſuperfuſi, ſequitur egregium illud experi­
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              mentum Mercurij in tubo vitreo contenti, & immerſa alterius illius ex­
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              tremitate, in ſubjectum Mercurium, ſcutella contentum; ſuſtinetur enim ad
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              duos pedes altitudinis paulò plus reliquo tubo vacuo prorſus manente, ab
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              aëris gravitantis Cylindro. </s>
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            <p type="main">
              <s id="s.001371">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.001372"> De hoc argumento in hoc congreſſu agere non poſſumus, cùm
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              ſufficiens alterius materia eſſe queat; in quo præclariſſima & ſanè mirifica
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              phænomena explicabimus & demonſtrabimus, quæ tum ab aliis, tum
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              à nobis explorata fuerunt; illud vnum vel obiter indicaſſe ſufficiat, ſcilicet
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              experimentum illud nullo modo cum à te præmiſſa hypotheſi conſentire;
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              quod ni fallor perſpicuè demonſtro. </s>
              <s id="s.001373">Sit enim diſtantia Lunæ à terra 50.
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              Semidiametrorum terræ & Semidiameter terræ iuxta vulgarem calculum
                <lb/>
              ſit paſſuum Geometricorum 3436363. quem numerum ſi ducas in 25.
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              quæ eſt ſemidiſtantia à terra ſcilicet ad lineam dirimentem, de qua ſupra
                <lb/>
              venient 86909075. paſſus, hæc eſt altitudo aëris gravitantis ; ſi autem </s>
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