Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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        <body>
          <chap id="N10019">
            <p id="N11A6F" type="main">
              <s id="N11A7B">
                <pb pagenum="53" xlink:href="005/01/061.jpg"/>
              eiuſdem M talis proportio ſolum verificari poteſt in F,
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              nam proportio, quam habet linea F X referens ſpacium
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              tranſactum ſecundum naturam ad B X, quod ab eodem
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              puncto B tranſactum eſt præter naturam in maiori circulo,
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              eadem eſt, ac proportio lineæ QL tranſactæ ſecundum
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              naturam ad lineam M Q tranſactam præter naturam in mi­
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              nori circulo. </s>
              <s id="N11A95">Quod inde patere poteſt, nam ſi ducantur re­
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              ctæ B F, & M L efficientur duo triangula æquiangula
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              B X F, & M Q L quæ per 4. ſexti habebunt latera pro­
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              portionalia circà æquales angulos: Vnde ſicut ſe habet F X
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              ad X B circa angulum. </s>
              <s id="N11AA0">rectum X, ita ſe habet L Q ad
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              QM circà angulum rectum
                <expan abbr="q.">que</expan>
              Et permutando, ſicut ſe
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              habet F X ad L Q, ità X B ad QM per 16. Quinti. </s>
              <s id="N11AAB">Ita­
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              que proportionabiliter punctum B, vel quodlibet aliud,
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              quanto magis diſtat à centro, tanto magis mouebitur motu
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              naturali; ſiquidem F X maior eſt, quam L Q,
                <expan abbr="proindeq.">proindeque</expan>
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              velociùs feretur, ſeù maius ſpatium in eodem tempore per­
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              curret, quam punctum M, vel aliud, quod propinquius
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              ſit centro; Et hoc erat probandum, vt omnino conſtaret
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              quidquid aſſumptum fuerat ex eodem Ariſtotele in explica­
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              tione quartæ proprietatis circuli, & aſſignatione cauſæ illius,
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              vt ibidem commonuimus. </s>
            </p>
            <p id="N11AC8" type="head">
              <s id="N11ACA">
                <emph type="italics"/>
              De Inſtrumentis, ac Machinis naturam cir­
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              culi in motione participantibus.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N11AD3" type="head">
              <s id="N11AD5">ADDITIO PRIMA.</s>
            </p>
            <p id="N11AD9" type="main">
              <s id="N11ADB">Attenta natura circuli cum ſuis proprietatibus modò
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              explicatis ad hoc acumen humani ingenij iam pridem
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              peruenit, vt machinas quaſdam excogitaret, quæ naturam
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              ipſius circuli participantes, motricem potentiam in motu
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              grauium ac leuium iuuarent. </s>
              <s id="N11AE6">Huiuſmodi autem machinas
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              inſtrumenta mechanica communiter appellamus, vtpotè
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              quæ mechanica ſpeculatione adinuenta ſunt,
                <expan abbr="eademq.">eademque</expan>
              arte </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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