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

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    <archimedes>
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              <s id="s.000971">
                <pb pagenum="85" xlink:href="025/01/089.jpg"/>
              ſpiralis, ſive etiam ellipſis, cogita punctum C accedere ad R motu acce­
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              lerato per radium AC eo tempore quo radius AC circa centrum A in
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              eodem plano ductus pervenit in AG, ferens ſecum punctum illud mobi­
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              le, quod tunc erit in G ; deinde idem punctum moveatur motu retardato
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                <figure id="id.025.01.089.1.jpg" xlink:href="025/01/089/1.jpg" number="30"/>
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              ab R in D, dum prædictus codem motu pervenit in AE, tunc certè præ­
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              dictum punctum erit in E ſcilicet in Perigæo ; quare hæc linea erit vna ex
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              ſpiralibus Archimedis, quæ ad ſemicirculum proxime accedit; quia vero
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              differentia ſenſibilis nen eſt, ſemicirculus ſupponi poteſt, in quo cen­
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              trum terræ motu æquabili movetur; pari modo punctum illud redit à D
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              in R, & ab R ad A, dum idem radius ab AE redit in AC. </s>
            </p>
            <p type="main">
              <s id="s.000972">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              Hæc mihi ſummoperè placent, cùm ex ſimpliciſſimis princi­
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              piis deducantur; vna tamen difficultas ſeſe oculis meis objicit ; nam
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              æquali tempore, vt dicis, radius AC circumducitur in AG, vel AN, &
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              ab AN ad AF, igitur inæqualiter movetur, cùm arcus CN minor ſit
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              arcu NF. </s>
            </p>
            <p type="main">
              <s id="s.000973">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000974"> Equidem extremitas radij AC movetur inæqualiter in cir­
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              culo CHFP; punctum tamen C, ſeu centrum terræ ita movetur per
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              CGE motu mixto ex circulari, & recto, vt hic prorſus æquabilis reſul­
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              tet: Hinc circulus CGEI eſt quidem excentricus, non tamen verus, in
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              quo ſcilicet terra motu ſimplici moveatur, ſed apparens; & conſequen­
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              ter centrum B, tantùm apparens; item excentricitas AB; quæ omnia ex
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              prædicto motu mixto conſequi, neceſſe eſt; itemque anomaliam, id eſt, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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