DelMonte, Guidubaldo, In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata

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    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N107FD" type="main">
              <s id="N10810">
                <pb xlink:href="077/01/017.jpg" pagenum="13"/>
              tunc centrum D cum centro mundi
                <expan abbr="cõ-">con­
                  <lb/>
                </expan>
                <arrow.to.target n="fig4"/>
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              ueniret; figuraquè C quieſceret circa cen
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              trum vniuerſi, veluti ſe habet circa
                <expan abbr="cẽtrum">centrum</expan>
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              D. partes enim figuræ talem poſſunt ha­
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              bere ſitum, vt inter ſe ę〈que〉ponderare poſ­
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              ſint. </s>
              <s id="N10839">vt ex ſubiectis figuris perſpicuum eſt.
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              & ad huc clariùs, ſi intelligatur figura, vt
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              E circulo tum exteriori, tum interiori ter
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              minata, cuius centrum grauitatis extra fi­
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              guram erit in F. quod quidem cum cir­
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              culorum centro conueniet. </s>
              <s id="N10845">circa quod
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              (exiſtente centro F in centro mundi)
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              partes vndi〈que〉 ę〈que〉ponderabunt: cùm
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              omnes ęqualiter à centro grauitatis
                <expan abbr="diſtẽt">diſtent</expan>
              .
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              præterea in hac figura E centrum graui­
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              tatis (quamuis ſit extra figuram) cum cen­
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              tro figuræ,
                <expan abbr="cẽtroquè">centroquè</expan>
              magnitudinis ipſius
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              figuræ conuenire, fortaſſe non erit incon­
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              ueniens aſſerere. </s>
              <s id="N1085F">At verò figuræ AC nul
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              lo pacto figuræ, magnitudinisquè
                <expan abbr="centrũ">centrum</expan>
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              habebunt. </s>
              <s id="N10869">& quamuis dictum ſit
                <expan abbr="centrũ">centrum</expan>
                <lb/>
              grauitatis corporum regularium eſſe me­
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              dium ipſorum, non tamen propterea dicendum eſt, idem eſſe
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              centrum magnitudinis, at〈que〉 figuræ, niſi impropriè;
                <expan abbr="mediũ">medium</expan>
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              enim his impropriè attribuitur, ſicuti etiam centrum figuræ;
                <lb/>
              cùm lineæ ex ipſo prodeuntes non ſint ipſorum corporum
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              (quatenus regularia ſunt) ſemidiametri. </s>
              <s id="N1087F">quare centrum gra­
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              uitatis reperiri poteſt abſ〈que〉 alijs centris; at non è conuerſo.
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              Rurſus commune magis eſt
                <expan abbr="cẽtrum">centrum</expan>
              figuræ centro magnitu­
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              dinis; quia præter circulum, & ſphæram, quæ tam figuræ,
                <expan abbr="quã">quam</expan>
                <lb/>
              magnitudinis centrum habent, nonnullæ figuræ ſuum ha­
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              bent figuræ centrum in ipſis, & extra ipſas; in ipſis, vt ellipſis,
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              cuius centrum intùs habetur; ſemicirculus etiam, dimidia què
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              ſphæra centrum habent in limbo. </s>
              <s id="N10897">extra figuram verò veluti
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              hyperbolæ centrum, quod extra figuram exiſtit; vbi nempè
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              diametri concurrunt. </s>
              <s id="N1089D">Quæ quidem omnia ſunt figuræ cen­
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              tra; magnitudinis verò minimè. </s>
              <s id="N108A1">verùm obijciet hoc loco for</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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