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

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              <s id="s.000053">
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              ad Occaſum inferiores ſphæræ tanta velocitate ferri dicuntur, vt ſtella
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              fixa ſub Æquatore, vnico temporis minuto leucarum miriadas conficiat,
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              quod certè non fidem modo, verùm etiam cogitationem ipſam ſuperat.
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              </s>
              <s id="s.000054">Hunc porrò motum ablegamus, & ſimplici ac diurna telluris globi circa
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              ſuum centrum turbinatione, ſeu revolutione præfatum motum ſup­
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              plemus. </s>
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            <p type="main">
              <s id="s.000055">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.000056"> Ab hoc vltimo incipio; quia nonnulli multam vim in eo fa­
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              ciunt; cum tamen me parum, aut nihil proſus afficiat; nempe diverſas
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              motuum velocitates per comparationem quamdam optimè intelligimus;
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              Sit enim quodlibet terræ punctum in æquatore, ſuppoſita veſtra hypo­
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              theſi, illud, vt probè noſti, in turbinatione præfati globi, præſcindendo
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              a motu centri, ita movetur, aſſumpto ſcilicet, quodam medio motu, vt vo­
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              cant, vt ſingulis horis 900. circiter miliaria Italica conficiat, 15.verò ſin­
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              gulis minutis primis, vno denique ſecundo minuto, 250. paſſus geome­
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              tricos, hoc eſt 1250. pedes; vt autem comparationem inſtituam, conſide­
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              ro motum glandis plumbeæ ex maiore catapulta exploſæ, quæ vno ſecun­
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              do minuto 1000. pedes circiter conficit; vnde vides punctum illud paulò
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              dumtaxat velociùs moveri. </s>
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            <p type="main">
              <s id="s.000057">
                <emph type="italics"/>
              Auguſtin.
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              </s>
              <s id="s.000058"> Suſtine tantiſper; neſcio quid intelligas per illum medium
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              motum. </s>
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            <p type="main">
              <s id="s.000059">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.000060"> Intelligo motum æquabilem, ita vt ſingulis horis punctum
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              illud æquale ſpatium decurrere cenſeatur, cùm tamen ſecus ac­
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              cidat. </s>
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            <p type="main">
              <s id="s.000061">
                <emph type="italics"/>
              Auguſtin.
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              </s>
              <s id="s.000062"> Non capio, exiſtimo enim rem ita eſſè, & æqualibus tempo­
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              ribus, æqualia ſpatia decurri. </s>
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            <p type="main">
              <s id="s.000063">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.000064"> Ita ſanè nobis apparet, id tamen haud dubiè per errorem;
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              nempe punctum illud motu quodam mixto movetur, ex motibus orbis
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              & centri, ſic enim vocare ſoles; Vnde fit, vt pro diverſo ad ſolem aſpectu,
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              modò tardiùs, modò velociùs moveatur; quia motus orbis ab hora ſexta
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              veſpertina ad ſextam oppoſitam matutinam additur motui centri, ab hac
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              verò ad illam detrahitur; ac proinde punctum illud in meridie collocatum
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              tardiſſimè in aſpectu oppoſito, ſcilicet, mediænoctis, velociſſimè movetur
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              quod vt ad rudiores calculos reducam, ſuppono, exempligratia, diametrum
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              magni orbis, quem Sol ſecundùm meam, & terra ſecundùm veſtram hypo­
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              theſim decurrit, continere diametros terræ 2000. hoc poſito, motu centri,
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              vno ſecundo minuto, decurruntur pedes circiter 6942. & motu orbis pe­
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              des 1250. adde vnum alteri, venient pedes 8192.hoc eſt ſpatium, quod di­
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              ctum punctum decurritin media nocte, tempore vnius ſecundi minuti
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              detrahe verò, erunt pedes 5692. hoc eſt, ſpatium, quod eodem tempore,
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              decurrit in meridie; Vides inæqualitatem. </s>
              <s id="s.000065">Semoto igitur illo inæquali
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              motu, ex motibus orbis & centri reſultante, æqualem tantummodò conſi­
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              dero motum orbis, quo punctum terreſtris globi in Æquatore, ſingulis mi­
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              nutis ſecundis, pedes circiter 1250.decurrit. </s>
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            <p type="main">
              <s id="s.000066">
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              Auguſtin.
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              </s>
              <s id="s.000067"> Quid tum? </s>
              <s id="s.000068">Non video, quid tibi velis, ad infirmandum
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              illud argumentum, quod ab incredibili velocitate motus raptus, ſeu </s>
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