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

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            <p type="main">
              <s id="s.000312">
                <pb pagenum="27" xlink:href="025/01/031.jpg"/>
              DR, hæc erit ſemidiameter Epicycli, quanquam aſſumpto angulo maxi­
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              mæ digreſſionis grad. 47. ſemidiameter Epicycli erit paulo maior quàm
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              DR; ſed ſit vt DR; haud dubiè arcus FHR eſt triplus arcus RK. Igitur
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              tempus poſitum ab Apogæo ad maximam digreſſionem triplum eſt illius,
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              quod ponitur à maxima digreſſione ad Perigæum, ſed reverà triplum non
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              eſt, ſed in minore proportione. </s>
              <s id="s.000313">Secundò BF eſt ad BK ferè vt 12. ad 2.
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              Igitur cùm circuli ſint vt diametri, circulus quem Venus decurrit in Apo­
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              gæo F, eſſet dodecuplus illius, quem conficit in Perigæo K ; immo & in
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              maiore proportione, cum angulus maximæ digreſſionis ſit maior angulo
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              grad.45. nempe ad gradus 48. immò & 49. nonnunquam accedit. </s>
            </p>
            <p type="main">
              <s id="s.000314">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              Hæc eadem ratio contra te militat, nam ſuppoſita tua hy­
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              potheſi, BS erit ſaltem dupla BI, igitur circulus, quem Venus decurrit
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              ſub radio BS, eſt duplus illius, quem decurrit ſub radio BI, hunc igitur
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              ſuppoſito motu ſemper æquabili, vt dicis, ſub duplo etiam tempore Ve­
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              nus decurrit, quod tamen Phænomenis non conſentit. </s>
            </p>
            <p type="main">
              <s id="s.000315">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000316"> Mentem meam omnino aſſecutus es, & rectè contra me con­
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              cluderes, ſi radium BS duplum radij BI ponere cogerer; ſed vt tute ſcis,
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              in exemplis non requiritur veritas; re igitur ipſa provt diverſa ratio motus
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              poſtularit, Apogæum & Perigæum ad D propiùs ſtatuam: ex his autem
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              vides, quàm facilè omnia explicentur, primò poſt Conjunctionem Apo­
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              gæam, Venus versùs ortum à Sole digreditur, quia tardiùs Sole movetur
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              versùs occaſum. </s>
              <s id="s.000317">Secundò Venus vbi ad mediocrem diſtantiam pervenit,
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              puta in L, adhuc vltra digreditur, quia tardiùs Sole movetur. </s>
              <s id="s.000318">Tertiò nun­
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              quam opponitur Soli; quia antequam perveniat ad
                <expan abbr="Quadraturã">Quadraturam</expan>
              cum Sole,
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              citiùs quàm Sol orbem ſuum decurrit; igitur à Sole vltra non digreditur.
                <lb/>
              </s>
              <s id="s.000319">Quartò plus temporis ponit ab Apogæo S, ad maximam digreſſionem M,
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              quàm ab hac ad Perigæum; quia tempus acceſſus SL, æquale eſt tempori
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              receſſus LMI, ſed MI citiùs decurritur quàm LMI; eſt enim pars mi­
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              nor toto. </s>
              <s id="s.000320">Secundò versùs Apogæum promoveri videtur in conſequentia;
                <lb/>
              versùs Perigæum in antecedentia; quia versùs Apogæum tardiùs, versùs
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              Perigæum citiùs orbem ſuum abſolvit, ab ortu ſcilicet ad occaſum. </s>
              <s id="s.000321">Sextò
                <lb/>
              Emerſio Veneris poſt Conjunctionem Apogæam, eſt veſpertina; quia Ve­
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              nus à Sole versùs ortum digreditur, poſt Conjunctionem Perigæam, eſt
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              matutina; quia Venus Solem poſt ſe relinquit verſus ortum: ergo in illa
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              apparet veſpere, in hac verò mane; ſed paulò ante Apogæum fit immerſio
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              matutina; quia cum Venus tunc ſpectet Solem versùs ortum, mane appa­
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              ret, & cùm Sol eam aſſequatur, mane immergitur; at paulo poſt ante Pe­
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              rigæum, fit immerſio veſpertina; quia cùm Venus tunc Solem ſpectet
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              verſus occaſum, veſpere apparet, & cùm Solem aſſequatur, veſpere im­
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              mergitur. </s>
            </p>
            <p type="main">
              <s id="s.000322">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000323"> Sed quid de hac linea SPL, aliquis ſortè putaret eſſe para­
                <lb/>
              bolam; hoc enim aliquando ſaltem amicis innuere viſus es. </s>
            </p>
            <p type="main">
              <s id="s.000324">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000325"> Multa haud dubiè conſideranda ſunt, vt ritè definiatur, quæ
                <lb/>
              & qualis ſit hæc linea: in modico arcu orbis vaſtiſſimi, qui ad inſtar lineæ
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              rectæ aſſumi poteſt, pro parabola, phyſicè loquendo, accipi poteſt, & </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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