Valerio, Luca, De centro gravitatis solidorum, 1604

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        <body>
          <chap>
            <pb xlink:href="043/01/130.jpg" pagenum="43"/>
            <p type="head">
              <s>
                <emph type="italics"/>
              PROPOSITIO XXVII.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>Si ſint quotcumque magnitudines, & aliæ illis
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              multitudine æquales, quæ binæ commune habe­
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              ant in eadem recta centrum grauitatis; ſumpto au
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              tem ordine ab vno eius lineæ termino, maior ſit
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              proportio primæ ad ſecundam in primis, quàm
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              primæ ad ſecundam in ſecundis: & ſecundæ ad
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              tertiam in primis maior quàm ſecundæ ad ter­
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              tiam in ſecundis, & ſic deinceps vſque ad vltimas;
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              erit omnium primarum ſimul centrum grauitatis
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              propinquius prædicto lineæ termino, à quo ſumi­
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              tur ordo, quàm omnium ſecundarum. </s>
            </p>
            <p type="main">
              <s>Sint quotcumque magnitudines GHI, & totidem
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              LMN. </s>
              <s>Sitque maior proportio G ad H, quàm L ad M: &
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              H ad I, maior quàm M ad N: in recta autem AB ſint
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              communia centra grauitatis, C duarum magnitudinum
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              GL, & D duarum HM, & E duarum IN. omnium
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                <figure id="id.043.01.130.1.jpg" xlink:href="043/01/130/1.jpg" number="101"/>
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              autem primarum GHI ſimul ſit centrum grauitatis K: at
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              ſecundarum omnium LMN centrum grauitatis R. </s>
              <s>Di­
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              co centrum K cadere termino A propinquius quàm cen
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              trum R. </s>
              <s>Fiat enim vt G ad H, ita DP ad PC: & vt L
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              ad M, ita DQ ad QC. </s>
              <s>Maior igitur proportio erit DP </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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