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

Table of figures

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[Figure 81]
[Figure 82]
[Figure 83]
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            <p type="main">
              <s id="s.000888">
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              diſco Lunari apparet projectus in BK; lineæ viſuales BO, SP, KR,
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              quas exhibeo parallelas, propter anguli tenuitatem; ſit A in Æquatore,
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                <figure id="id.025.01.082.1.jpg" xlink:href="025/01/082/1.jpg" number="25"/>
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              Axis BK ſecat Æquatorem ad an­
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              gulos rectos; ſi verò A ſit in Tro­
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              pico Cancri, punctum B deprimitur
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              in G, & K attollitur in H ; Hinc ante
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              depreſſionem macula E videbatur
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              in C, igitur vicina margini, N verò
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              in L. remota igitur à margine; at
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              verò poſt depreſſionem dicti Axis
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              Macula E erit in F, ac proinde vide­
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              bitur in D: igitur recedit à margi­
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              ne; at verò N erit in M ; igitur vi­
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              debitur in I; accedit igitur ad mar­
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              ginem; hæc adeò perſpicua ſunt, vt
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              nihil clariùs dici, vel excogitari poſſe
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              videatur. </s>
              <s id="s.000889">Vnum tamen dubium re­
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              ſtat de fide ſcilicet Hevelij, cùm non
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              defuerit, qui dictam fidem prorſus elevarit, adductis obſervationibus
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              omnino contrariis. </s>
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              <s id="s.000890">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.000891"> Scio, non defuiſſe; Hevelio tamen adhærendum, eique fi­
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              dem habendam eſſe, putarem, præſertim cum nonnulla ex iis, quæ con­
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              tra illum adducuntur, minimè ſubſiſtant; Sed hæc diſcutere non vacat;
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              Vt vt ſit, ſuppoſita veritate dictorum Hevelij. </s>
              <s id="s.000892">conſtat rationem huius
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              librationis à me allatam perſpicuam eſſe; ſi res ſecus ſe habeat, vt mihi,
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              Auguſtine, non nocet, ita tibi nullo modo prodeſt. </s>
              <s id="s.000893">Sed iam ad alias ratio­
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              nes veniamus. </s>
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            <p type="main">
              <s id="s.000894">
                <emph type="italics"/>
              Chryſoc.
                <emph.end type="italics"/>
              </s>
              <s id="s.000895"> Reſtat, Antime, vt ad alios cœleſtes globos gradum facias, in
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              quo lepidiſſimum itineris extatici autorem imitari cuipiam fortè videberis;
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              quod neſcio an Copernicanis metuendum ſit. </s>
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            <p type="main">
              <s id="s.000896">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.000897"> Ne timeas, Chryſocome, ſiſtemus gradum in terra, nec de Ve­
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              nere quidquam aſtruam, niſi quod omnes facilè probare poſſint; Dico
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              igitur iuxta Copernicanam hypotheſim, Venerem tam propè ad nos acce­
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              dere, circa conjunctionem ſcilicet veſpertinam, & tam procul abeſſe,
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              circa matutinam, vt eius diameter vna vice ſeptuplo ferè major, quàm
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              alia videnda ſit; quod vt in facili Schemate oſtendam. </s>
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            <p type="main">
              <s id="s.000898">Sit (
                <emph type="italics"/>
              in ſeq.Fig.
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              ) Sol in A immobilis; ſit magnus orbis, in quo movetur terrá
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              BCDE, ſint diametri BD, CE, ſitque angulus ABC grad 47. & ſuppo­
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              natur maxima digreſſio Veneris à Sole; ducatur AF perpendicularis in
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              BC, & ſub radio AF deſcribatur circulus FGHIK, hic erit orbis Veneris;
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              igitur Perigæum Veneris erit in K, poſito quod terra ſit in B; Apogæum
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              verò in H cuncta hæc pro conceſſis habeo; licèt Perigæum aliquando
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              propiùs accedat ad B, tum quia interdum major eſt Veneris digreſſio; tum
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              etiam quia moveri cenſetur in excentrico,; igitur cum ſimul eſt in aphelio
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              & Perigæo, propiùs ad B haud dubiè accedit. </s>
              <s id="s.000899">Sit ergo in K, citra acura-</s>
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