Cardano, Geronimo, Opvs novvm de proportionibvs nvmerorvm, motvvm, pondervm, sonorvm, aliarvmqv'e rervm mensurandarum, non solùm geometrico more stabilitum, sed etiam uarijs experimentis & observationibus rerum in natura, solerti demonstratione illustratum, ad multiplices usus accommodatum, & in V libros digestum. Praeterea Artis Magnae, sive de regvlis algebraicis, liber vnvs abstrvsissimvs & inexhaustus planetotius Ariothmeticae thesaurus ... Item De Aliza Regvla Liber, hoc est, algebraicae logisticae suae, numeros recondita numerandi subtilitate, secundum Geometricas quantitates inquirentis ...

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="id001666">
                <pb pagenum="91" xlink:href="015/01/110.jpg"/>
              gnus ſplendor, referens corpus Solis. </s>
              <s id="id001667">Propterea dico, quòd uel ac­
                <lb/>
              cidit, quia homo non poteſt ea hora intueri Solem, & etiam eſt im­
                <lb/>
              peditus à radijs circumſtantibus, cuius indicio eſt, quod in ſpe­
                <lb/>
              culo poſito in aqua, ſimile uidetur ſtellulæ in centro Lunę: & hic eſt
                <lb/>
              ſplendor Solis collectus in centro Lunæ. </s>
              <s id="id001668">poſſet etiam dici, quòd
                <lb/>
              Luna circa medium propter maculam non admitteret lumen, & ita
                <lb/>
              eſſet inæqualium partium.</s>
            </p>
            <p type="main">
              <s id="id001669">Propoſitio nonageſima ſeptima.</s>
            </p>
            <p type="main">
              <s id="id001670">Motum inuerſionis in figuris in comparatione ad motum ſphæ
                <lb/>
              ræ in plano inueſtigare.</s>
            </p>
            <p type="main">
              <s id="id001671">
                <arrow.to.target n="marg338"/>
              </s>
            </p>
            <p type="margin">
              <s id="id001672">
                <margin.target id="marg338"/>
              C
                <emph type="italics"/>
              om.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s id="id001673">Voco motum inuerſionis, qui ſimilis eſt motui ſphæræ, ſcili­
                <lb/>
              cet circumuertendo graue à uertice, & manifeſtum eſt, quòd in
                <lb/>
              quacunque figura, qua graue inſidet plano per punctum ue­</s>
            </p>
            <p type="main">
              <s id="id001674">
                <arrow.to.target n="marg339"/>
                <lb/>
              lut ouata ipſum mouetur à quauis ui, ſed ſi inſideat per ſuperfi­
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              ciem, quanto maior eſt, & humilior, tanto difficilius mouetur,
                <lb/>
              ideò in corpore uiginti baſium, quòd inter regularia uocata, plu­
                <lb/>
              res habet, ſuperficies pro ratione æqualis ponderis, motus erit
                <lb/>
              longe facilior. </s>
              <s id="id001675">Alia cauſa eſt inæqualitas partium, unde quæ ro­
                <lb/>
              tunda ſunt, quia prominent, facile mouentur, & cum partes me­
                <lb/>
              diæ inſiſtant plano, quanto minores erunt tanto facilius moue­
                <lb/>
              buntur ratione ponderis. </s>
              <s id="id001676">Vnde patet, quòd corpora ouata faci­
                <lb/>
              lius mouentur, etiam quàm ſphærica, habent enim partem me­
                <lb/>
              diam minorem, & paria ſunt ratione inceſſus plani, ſed aëris mul­
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              titudine tardius, quoniam enim ſphæra ſub æquali ambitu plus
                <lb/>
              continet corporis, ergo ouatum æquale ſphæræ habet maio­
                <lb/>
              rem ambitum ipſa ſphæra. </s>
              <s id="id001677">Hæc autem à Theone partim de­
                <lb/>
              monſtrata ſunt, partim ab Archimede, & partim à nobis, ergo
                <lb/>
              motus ouati eſt fermè æqualis motui ſphæræ, & tardior eſt con­
                <lb/>
                <figure id="id.015.01.110.1.jpg" xlink:href="015/01/110/1.jpg" number="105"/>
                <lb/>
              citatus, quàm ſphæræ, quia à ma­
                <lb/>
              iore excipitur aëre, & partes exte­
                <lb/>
              riores non ita incumbunt in me­
                <lb/>
              dium ſecundum longitudinem. </s>
              <s id="id001678">Cu­
                <lb/>
              bus uero tardior eſt propter æqua­
                <lb/>
              litatem, & latitudinem ſuperficiei in­
                <lb/>
              ferioris, omnium
                <expan abbr="autẽ">autem</expan>
              minime pro­
                <lb/>
              pter has cauſas conus ambligonius,
                <lb/>
              & quanto magis fuerit, ratio uero
                <lb/>
              eleuationis eſt, ut ſit cubus b c, cuius
                <lb/>
              medium grauitatis ſit b ſuper </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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