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

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="75" xlink:href="025/01/079.jpg"/>
            <p type="main">
              <s id="s.000852">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000853"> Ille motus, qui fit per lineam HPG mixtus eſt ac proinde
                <lb/>
              inæqualis, ſed ex duobus æquabilibus, vt iam dixi. </s>
            </p>
            <p type="main">
              <s id="s.000854">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000855"> Vnde porrò ſunt illi duo motus æquabiles' à quo principio? </s>
              <s id="s.000856">&
                <lb/>
              quo tandem organo traducuntur? </s>
            </p>
            <p type="main">
              <s id="s.000857">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000858"> Affulget novæ lux reſponſionis; ſuperficies terræ inæquali­
                <lb/>
              ter movetur, etiam in eodem circulo majore ; nempe ille arcus, qui ad
                <lb/>
              Solem convertitur, tardiſſimus eſt, oppoſitus verò velociſſimus, quid mi­
                <lb/>
              rum igitur, ſi hic Lunam longiùs promovet, ſcilicet circa Plenilunium,
                <lb/>
              ille verò longè minùs, ſcilicet circa Novilunium. </s>
            </p>
            <p type="main">
              <s id="s.000859">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000860"> Non negarim, acutam, & non nemini fortè inexpectatam re­
                <lb/>
              ſponſionem; ſed præterquam quod ſubſiſtunt alia ſupra oppoſita; quia nec
                <lb/>
              in arcubus, diurnis circulis parallelis Luna movetur, non videtur, cur mo­
                <lb/>
              tus centri in Lunam traductus debilior non exiſtat. </s>
            </p>
            <p type="main">
              <s id="s.000861">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000862"> Miror, hæc à te dici, cùm vterque debilior exiſtat, vt mani­
                <lb/>
              feſtum eſt; ſic enim ab H ad O parum progreditur, tum motu centri, tum
                <lb/>
              motu orbis; igitur à puncto terræ oppoſito ſuam vim accipit, majorem
                <lb/>
              ſcilicet, cùm velociùs illud movetur, quamvis alioquin motu mixto; mi­
                <lb/>
              norem verò cùm tardiùs, quid ad aliud de arcubus parallelis reſpondeam,
                <lb/>
              non habeo, niſi fortè dicam, Lunam à ſe ipſa, vel ab Angelo per illam or­
                <lb/>
              bitam moveri: Sed cur per illam movetur inæqualiter? </s>
              <s id="s.000863">deinde hæc orbita
                <lb/>
              reſpectum habet ad terram, quæ in ſua libratione diverſam periodum ha­
                <lb/>
              bet, malim ergo ingenuè fateri, me neſcire, quid ad hoc reſpondeam. </s>
            </p>
            <p type="main">
              <s id="s.000864">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000865"> Reſumo quod ſupra dicere cœperam; præter illa argumenta,
                <lb/>
              inquam, quibus allata reſponſio non congruit, dico aliam eamque inſo­
                <lb/>
              lubilem reſtare difficultatem; admiſſa enim prædicta reſponſione, fateris
                <lb/>
              in puncto G majorem vim impetus à puncto terræ oppoſito Lunam ac­
                <lb/>
              cipere, minorem verò à puncto H, cur ergo Luna impreſſum impetum
                <lb/>
              deinde non retinet? </s>
              <s id="s.000866">cum nihil ſit à quo deſtruatur; nec enim obſtat, à
                <lb/>
              novo puncto terræ oppoſito ad aliam tangentem determinari, quia cùm
                <lb/>
              hoc fiat per novi impetus acceſſionem, hic aditus priori majorem vim
                <lb/>
              facit; igitur nulla eſſet ratio, cur deinde motus retardaretur versùs Qua­
                <lb/>
              draturas. </s>
            </p>
            <p type="main">
              <s id="s.000867">
                <emph type="italics"/>
              Chryſoc.
                <emph.end type="italics"/>
              </s>
              <s id="s.000868"> Vereor, vt inde quiſpiam cauſam deducat, rei miſſionis marini
                <lb/>
              æſtus in Quadratoris; nempe, vt in Oppoſitione vegetior eſt, ita in Quadra­
                <lb/>
              turis minor eſt & flaccidior; quia, inquiet, cùm à Luna procedat, Lunæ
                <lb/>
              motus in plenilunio maior eſt, minor in Quadraturis; minorem igitur in
                <lb/>
              his, majorem in illo motus effectum producit. </s>
            </p>
            <p type="main">
              <s id="s.000869">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000870"> Sed in Novilunio Lunaris motus adhuc minor eſt, quam in
                <lb/>
              Quadraturis, & tamen nemo neſcit, æſtum in Novilunio majorem eſſe; alia
                <lb/>
              igitur ratio prædictæ differentiæ inveſtiganda eſt. </s>
            </p>
            <p type="main">
              <s id="s.000871">
                <emph type="italics"/>
              Chryſocom.
                <emph.end type="italics"/>
              </s>
              <s id="s.000872"> Aliud in mentem venit, quod expromendum eſſe puto;
                <lb/>
              nempe ſi ſupponam Lunam 24. horarum ſpatio orbem ſuum circa terram
                <lb/>
              abſolvere, illius velocitas ad velocitatem puncti æquatoris in ſuperficie
                <lb/>
              terræ erit vt 60.ad 1.ſunt enim motus vt circuli, hi vtrò, vt ſemidiametri;
                <lb/>
              igitur non mirum eſt, cùm motus tardus velocem producere nequeat, ſi </s>
            </p>
          </chap>
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