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

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        <body>
          <chap>
            <pb pagenum="6" xlink:href="025/01/010.jpg"/>
            <p type="main">
              <s id="s.000078">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000079"> Benè eſt, in hoc vterque convenimus, ſecùs fortè in alio
                <lb/>
              puncto, à me propoſito, quod à facilitate & ſimplicitate ſyſthematis peti­
                <lb/>
              tur; vno enim, vel altero terreſtis globi motu noſtra hypotheſis conſtat,
                <lb/>
              cùm tamen veſtra motus ita multiplicet, etiam ſibi invicem contrarios, vt
                <lb/>
              res illa, vel omnino impoſſibilis, vel ſaltem maximè difficilis eſſe videa­
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              tur. </s>
            </p>
            <p type="main">
              <s id="s.000080">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000081"> Primo ſanè aſpectu, rem iſtam minùs ſedulò conſideranti, ita
                <lb/>
              eſſe videtur; ſi tamen penitiùs illam inſpiciamus; primum errorem faci­
                <lb/>
              lè caſtigabimus: & verò vt in vno Solis ſyſtemate periculum facia­
                <lb/>
              mus, quotuplice motus opus eſſe putas ad ſalvanda omnia phæno­
                <lb/>
              mena? </s>
            </p>
            <p type="main">
              <s id="s.000082">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000083"> Duo motus, ni fallor, omnia ſalvant, orbis ſcilicet & centri,
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              terreſtris globi, quieſcente Sole in mundi centro. </s>
            </p>
            <p type="main">
              <s id="s.000084">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000085"> Tibi omnino impoſitum fuit, vel vt verius puto, tibi excidit,
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              Primò enim, motu
                <expan abbr="cẽtri">centri</expan>
              opus eſt; annuo, ſcilicet in Ecliptica, iuxta ſeriem
                <lb/>
              ſignorum, nec quiſquam hoc negat: Secundò, motu orbis diurno, quo
                <lb/>
              terra ita rotatur, vt pars ſuperior globi tendat in ortum; hîc autem mo­
                <lb/>
              tus fit circa axem mundi, vel plani Æquatoris. </s>
              <s id="s.000086">Tertius motus neceſſa­
                <lb/>
              rius eſt, annuus ſcilicet, quo terra ita ſemel voluitur circa Axem Eclipticæ,
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              vt pars inferior, quæ Solem ſpectat, tendát in ortum; hoc enim motu obti­
                <lb/>
              netur, vt Axis Æquatoris ſibi ipſi ſemper maneat parallelus; aliquis fortè
                <lb/>
              per incogitantiam quartum motum etiam adhiberet, quo ſcilicet Axis
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              Æquatoris vtrimque deſcribit circulos polares, circa polos Eclipticæ, ſed
                <lb/>
              hic motus à tertio diverſus non eſt, vt conſideranti patebit, & licèt aliqui
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              etiam ex iis, qui terram mobilem adſtruunt, hunc diverſum motum ſta­
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              tuant, ego tamen, vt ſincerè tecum ago, diverſum à motu orbis annuo mi­
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              nimè ſtatuo. </s>
              <s id="s.000087">Addo denique quartum motum Solis, circa proprium cen­
                <lb/>
              trum, axemque immobilem, & inclinatum ad planum Eclipticæ, ſine quo
                <lb/>
              macularum motus 27. circiter dierum explicari nequit: hunc etiam ne­
                <lb/>
              mo veſtrum inficiatur. </s>
            </p>
            <p type="main">
              <s id="s.000088">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000089"> Cuncta hæc etſi vltro damus, nihil tamen obſtat, quin adhuc
                <lb/>
              ſyſtema noſtrum ſimplicius eſſe dicamus, & ex paucioribus motibus,
                <lb/>
              quàm veſtrum componi. </s>
              <s id="s.000090">Veſtrum enim, ſi rectè memini, in vno Solo 7.
                <lb/>
              vel 8. motus poſtulat. </s>
              <s id="s.000091">Primus eſt motus raptus, ſeu primi Mobilis ab or­
                <lb/>
              tu ad occaſum, ſcilicet diurnus: ſecundus, motus in Ecliptica annuus;
                <lb/>
              tertius, motus Solis circa proprium axem inclinatum, ferè menſtruus:
                <lb/>
              quartus motus ejuſdem circa axem erectum ad planum Eclipticæ, an­
                <lb/>
              nuus: quintus motus prioris axis inclinati, deſcribentis vtrinque circellos
                <lb/>
              circa Solarem axem erectum ad planum Eclipticæ, item annuus: ſextus,
                <lb/>
              motus Apogæi Solis iuxta ſeriem ſignorum: ſeptimus motus præceſſio­
                <lb/>
              nis Æquinoctiorum; octavus motus obliquitatis Zodiaci, vt vocant: etſi
                <lb/>
              fortè mutetur excentricitas, de quo nonnulli dubitarunt: nonus motus
                <lb/>
              adjiciendus eſſet; vides, quantam motuum farraginem ſyſtema veſtrum
                <lb/>
              poſtulet: quorum aliqui, cùm ſint oppoſiti, vt annuus & menſtruus ſolaris
                <lb/>
              globi, quantumvis circa diverſos axes, nec aliunde in ſolarem ſphæram </s>
            </p>
          </chap>
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