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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000252">
                <pb pagenum="20" xlink:href="025/01/024.jpg"/>
              que receſſus ſub Axe HV, applicata qualibet baſi, quæ in partes quaſ­
                <lb/>
              cunque diviſa repræſentat tempus, tum acceſſus, tum receſſus. </s>
            </p>
            <p type="main">
              <s id="s.000253">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000254"> Optimè; vnum tamen obſerva, in acceſſu ita dividi tempus,
                <lb/>
              quod repræſentatur per lineam AZ, vt incipiat ab A & terminetur in Z;
                <lb/>
              in receſſu verò incipiat à Z, & deſinat in A: idem dico de acceſſu & re­
                <lb/>
              ceſſu Apogæi. </s>
              <s id="s.000255">Iam verò ad id, quod de motu Apogæi quæſiveras reſpon­
                <lb/>
              deo, periodum inclinationis, ſeu motus Apogæi, æqualem non eſſe perio­
                <lb/>
              do alterius inclinationis; ita vt, Sol citiùs redeat ad Tropicum Cancri,
                <lb/>
              vnde diſceſſerat, abſoluto totius Eclipticæ motu, quàm ad Apogæum,
                <lb/>
              quod tantùm attingit paulo pòſt: igitur interea Sol tantulùm promove­
                <lb/>
              tur in Ecliptica, hinc Apogæum videtur moveri ſecundùm ſeriem Signo­
                <lb/>
              rum, ſed adeò lentè, vt vix ſingulis annis 1. minutum conficiat; & hic
                <lb/>
              motus eſt tantùm apparens. </s>
              <s id="s.000256">Hæc dixi ad reducendum ad calculos Ano­
                <lb/>
              maliæ motum; nam re ipſa AD habet minorem proportionem ad AH.
                <lb/>
              ſeu BD ad CH, quàm tempus, quo Sol Apogæus in Cancro decurrit
                <lb/>
              arcum Eclipticæ æſtivum, à principio ſcilicet Cancri ad Libram, ad tem­
                <lb/>
              pus quo arcum autumnalem deſcribit, ſunt enim ſpiræ paulò laxiores in
                <lb/>
              hoc arcu; ac proinde pauciores; igitur pauciores dies; quod ideò fit, vt
                <lb/>
              vna ſpira diurna Solis ſit ferè æqualis alteri diurnæ; ſic enim ſupplet natu­
                <lb/>
              ra æqualitatem motuum; quod ſanè multis aliis exemplis comprobare
                <lb/>
              poſſem, ſi fortè ita iuberes. </s>
              <s id="s.000257">Ex his reliqua, ni fallor, quæ ad Solare
                <lb/>
              noſtrum ſyſtema pertinent, facilè intelliges. </s>
            </p>
            <p type="main">
              <s id="s.000258">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.000259"> Ita eſt: quare ad prima illa poſtulata de Marte redeo; vnum,
                <lb/>
              ni fallor, ſupererat, cur ſcilicet Mars à coniunctione, vel Apogæo
                <lb/>
              ad Quadraturam, plus temporis ponat, quàm à Quadratura, ſcilicet reſ­
                <lb/>
              pectu Solis, ad Oppoſitionem, vel Perigæum. </s>
            </p>
            <p type="main">
              <s id="s.000260">
                <emph type="italics"/>
              Antimus.
                <emph.end type="italics"/>
              </s>
              <s id="s.000261"> Miror à te, qui adeò perſpicax es, non videri; cùm enim
                <lb/>
              Mars ab Apogæo & Coniunctione ad mediocrem diſtantiam orbes ſuos
                <lb/>
              tardiùs conficiat; haud dubiè minoribus intervallis Solem poſt ſe relin­
                <lb/>
              quit, quàm dum à mediocri diſtantia tendit ad Perigæum; quia orbes
                <lb/>
              ſuos citiùs decurrit; igitur maioribus intervallis Solem poſt ſe relinquit;
                <lb/>
              igitur cum æqualibus temporibus, ab Apogæo ad mediocrem diſtantiam,
                <lb/>
              & ab hac ad Perigæum perveniat, & cum eo tempore, quo ab Apogæo
                <lb/>
              pervenit ad mediocrem diſtantiam, minore arcu Solem poſt ſe relinquat,
                <lb/>
              maiore verò æquali tempore, quo à mediocri diſtantia pervenit ad Pe­
                <lb/>
              rigæum; inde ſequitur, vt arcus hinc inde ſint æquales, provt reverà
                <lb/>
              æquales apparent, à Coniunctione ad Quadraturam, & ab hac ad Oppoſi­
                <lb/>
              tionem, aſſumenda eſſe inæqualia temporum intervalla, maius ſcilicet
                <lb/>
              ab Apogæo ad Quadraturam, minus verò ab hac ad Perigæum. </s>
            </p>
            <p type="main">
              <s id="s.000262">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              Hæc adeò facilia Sunt, vt nimia facilitas non nihil de pre­
                <lb/>
              tio detrahere videatur; iam verò mihi facilè perſuadeo, reliqua omnia,
                <lb/>
              quæ ad alias paſſiones ſuperiorum Planetarum pertinent, pari facilitate ex
                <lb/>
              iactis à te principiis explicari
                <gap/>
              poſſe. </s>
            </p>
            <p type="main">
              <s id="s.000263">
                <emph type="italics"/>
              Antimus.
                <emph.end type="italics"/>
              </s>
              <s id="s.000264"> Ita eſt prorſus; nam res eodem modo explicatur in Iove &
                <lb/>
              Saturno; niſi quod cùm Iupiter maioribus intervallis Solem poſt ſe relin-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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