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

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              <s id="s.000974">
                <pb pagenum="86" xlink:href="025/01/090.jpg"/>
              appatentem nobis ejuſdem motus inæqualitatem; licet enim motus à C
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              in G; & à G in revera æqualis ſint, inæquales tamen nobis appa­
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              rent ; nempe dum terra decurrit arcum CG, quadratum ſcilicet ſui
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              Orbis, videtur nobis decurriſſo arcum CN minorem quadrante; & dum
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              decurrit GE æqualem CH, videtur nobis decurrere arcum NF majo­
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              rem, perinde quippe eſt, ſive terram in G aſpicias ex A, ſive ex G Solem
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              in A ſpectes; vt ſcilicet illum videas in puncto Eclypticæ, oppoſito,
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              puncto G. </s>
            </p>
            <p type="main">
              <s id="s.000975">
                <emph type="italics"/>
              Chryſocom.
                <emph.end type="italics"/>
              </s>
              <s id="s.000976"> Sed vndo Apogæi motus, iſque in conſequentia. </s>
            </p>
            <p type="main">
              <s id="s.000977">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000978"> Fac terram ex C, peracto ſemicirculo nondum ad Perigæum
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              perveniſſe, nec peracto orbe integro ad Apogæum ; inde neceſſariò ſe­
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              quitur, Apogæum promoveri in conſequentia, ſcilicet à G versùs H ; in
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              antecedentia autem moveretur, ſi terra ad Apogæum reditet nondum
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              peracto orbe integro. </s>
            </p>
            <p type="main">
              <s id="s.000979">
                <emph type="italics"/>
              Chryſocom.
                <emph.end type="italics"/>
              </s>
              <s id="s.000980"> Omitte, quæſo hæc enim faciliora ſunt, quàm vt longio­
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              rem explicationem poſtulent; ſed vnde quæſo orbis annuus centri; vnde
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              diurnus orbis, itemque annuus illi oppoſitus? </s>
            </p>
            <p type="main">
              <s id="s.000981">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000982"> Neque in hoc multùm laboro; ſi enim ſupponas terræ globum
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              ita demiſſum fuiſſe ex ſublimi, ad acquiren dum illum velocitatis gradum,
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              qui neceſſarius ſit, vt vna pars globi fortè præponderans, ante aliàs de­
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              ſcenderit, vnde motus quidam mixtus ſequatur, ex motu orbis & cen­
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              tri; ſi hoc ſupponas, inquam, vbi dictus globus ad diſtantiam mediam
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              pervenit, illico motu circulari moveri cœpit in eam partem, in quam
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              motus Orbis prævius illum determinat; analogiam habes in globo vel
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              diſco, qui deorſum præfato modo dimiſſus deſcendit; vbi enim planum
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              horizontale attingit, in eo movetur, ſeu rotatur, priore determinatione
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              durante. </s>
              <s id="s.000983">v. g. ſit globus BCDE, (
                <emph type="italics"/>
              in Figura
                <expan abbr="ſeq.">ſeque</expan>
                <emph.end type="italics"/>
              ) centro A ita demiſſus
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              per lineam perpendicularem AH, vt centrum quidem A rectam deſcri­
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              bat; aliæ verò partes etiam moveantur circa A, v.g. B in C, D, E, vbi
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              globus attinget planum horizontale KL, in H, vi prioris determina­
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              tionis, ſeu motus Orbis, F tendet in GH, I, vnde rotabitur globus in
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              dicto plano versùs K. </s>
              <s id="s.000984">Idem dicendum de globo terræ tali modo de­
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              miſſo, cujus centrum movetur motu æquabili in Plano Eclipticæ cum
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              eo velocitatis gradu, quem in primo illo deſcenſu acquiſivit, qui
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              deinde ſemper intactus manet; pari modo motus Orbis etiam durat,
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              cùm eadem ſit pro vtroque motu ratio, vt videre eſt in prædicto
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              globo. </s>
            </p>
            <p type="main">
              <s id="s.000985">
                <emph type="italics"/>
              Choyſoc.
                <emph.end type="italics"/>
              </s>
              <s id="s.000986"> Sed cur circa talem axem potiùs quàm circa alium? </s>
              <s id="s.000987">deinde
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              cur libratur prædictus axis? </s>
              <s id="s.000988">denique cur omnes circuli diurni Æquatori
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              ſunt paralleli? </s>
            </p>
            <p type="main">
              <s id="s.000989">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000990"> Niſi orationem meam interrupiſſes, hæc continuò æquè facilè
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              explicabam; Suppono terræ globum vel magnum Magnetem eſſe, vel ſal­
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              tem magnetica virtute inſtructum, vnde neceſſe ſit, duos polos magneticos
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              ineſſe, & axem ad vtremque polum terminatum, quem etiam ſibi ipſi ſem-</s>
            </p>
          </chap>
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