Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

Table of handwritten notes

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          <pb o="22" file="0155" n="155" rhead="DE CENTRO GRAVIT. SOLID."/>
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            <s xml:id="echoid-s3876" xml:space="preserve">Ex demonſtratis perſpicue apparet, portioni
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            ſphæræ uel ſphæroidis, quæ dimidia maior eſt, cẽ
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            trum grauitatis in axe conſiſtere.</s>
            <s xml:id="echoid-s3877" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3878" xml:space="preserve">Data enim
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              <figure xlink:label="fig-0155-01" xlink:href="fig-0155-01a" number="108">
                <image file="0155-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0155-01"/>
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            qualibet maio
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            ri portiõe, quo
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            niã totius ſphæ
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            ræ, uel ſphæroi
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            dis grauitatis
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            centrum eſt in
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            axe; </s>
            <s xml:id="echoid-s3879" xml:space="preserve">eſt autem
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            & </s>
            <s xml:id="echoid-s3880" xml:space="preserve">in axe cen-
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            trum portio-
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            nis minoris:
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            </s>
            <s xml:id="echoid-s3881" xml:space="preserve">reliquæ portionis uidelicet maioris centrum in axe neceſ-
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            ſario conſiſtet.</s>
            <s xml:id="echoid-s3882" xml:space="preserve"/>
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        <div xml:id="echoid-div238" type="section" level="1" n="82">
          <head xml:id="echoid-head89" xml:space="preserve">THE OREMA XIII. PROPOSITIO XVII.</head>
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            <s xml:id="echoid-s3883" xml:space="preserve">Cuiuslibet pyramidis triã
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              <figure xlink:label="fig-0155-02" xlink:href="fig-0155-02a" number="109">
                <image file="0155-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0155-02"/>
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            gularem baſim habẽtis gra
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            uitatis centrum eſt in pun-
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            cto, in quo ipſius axes con-
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            ueniunt.</s>
            <s xml:id="echoid-s3884" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3885" xml:space="preserve">Sit pyramis, cuius baſis trian
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            gulum a b c, axis d e: </s>
            <s xml:id="echoid-s3886" xml:space="preserve">ſitq; </s>
            <s xml:id="echoid-s3887" xml:space="preserve">trian
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            guli b d c grauitatis centrum f:
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            </s>
            <s xml:id="echoid-s3888" xml:space="preserve">& </s>
            <s xml:id="echoid-s3889" xml:space="preserve">iungatur a f. </s>
            <s xml:id="echoid-s3890" xml:space="preserve">erit & </s>
            <s xml:id="echoid-s3891" xml:space="preserve">a faxis eiuſ
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            dem pyramidis ex tertia diffini-
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            tione huius. </s>
            <s xml:id="echoid-s3892" xml:space="preserve">Itaque quoniam centrum grauitatis eſt in
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            axe d e; </s>
            <s xml:id="echoid-s3893" xml:space="preserve">eſt autem & </s>
            <s xml:id="echoid-s3894" xml:space="preserve">in axe a f; </s>
            <s xml:id="echoid-s3895" xml:space="preserve">quod proxime </s>
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