Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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              <pb o="40" file="0091" n="91" rhead="DE IIS QVAE VEH. IN AQVA."/>
            ipſi i m æquidiſtãs, & </s>
            <s xml:id="echoid-s2377" xml:space="preserve">contingens ſectionem in p; </s>
            <s xml:id="echoid-s2378" xml:space="preserve">pt uero
              <lb/>
            æquidiſtans b d, & </s>
            <s xml:id="echoid-s2379" xml:space="preserve">p s ad ipſam b d perpendicularis. </s>
            <s xml:id="echoid-s2380" xml:space="preserve">Demõ
              <lb/>
            ſtrandũ eſt, portionẽ non cõſiſtereita, ſed inclinari, donec
              <lb/>
            baſis in uno puncto ſuperficiem humidi cõtingat. </s>
            <s xml:id="echoid-s2381" xml:space="preserve">Maneãt
              <lb/>
            enim eadem, quæ in ſuperiori figura: </s>
            <s xml:id="echoid-s2382" xml:space="preserve">ducaturq; </s>
            <s xml:id="echoid-s2383" xml:space="preserve">o c ad b d
              <lb/>
            perpendicularis: </s>
            <s xml:id="echoid-s2384" xml:space="preserve">& </s>
            <s xml:id="echoid-s2385" xml:space="preserve">iuncta a x ad q producatur. </s>
            <s xml:id="echoid-s2386" xml:space="preserve">erit a x
              <lb/>
            æqualis ipſi x q. </s>
            <s xml:id="echoid-s2387" xml:space="preserve">deĩde ducatur o χ ipſi a q æquidiſtãs. </s>
            <s xml:id="echoid-s2388" xml:space="preserve">Quo
              <lb/>
            niã igitur portio ad humidũ eã in grauitate proportione
              <lb/>
            habere ponitur, quam quadratum x o ad quadratum b d:
              <lb/>
            </s>
            <s xml:id="echoid-s2389" xml:space="preserve">& </s>
            <s xml:id="echoid-s2390" xml:space="preserve">eandem proportionem habet pars ipſius demerſa ad to
              <lb/>
            tam; </s>
            <s xml:id="echoid-s2391" xml:space="preserve">hoc eſt quadratum t p ad quadratum b d: </s>
            <s xml:id="echoid-s2392" xml:space="preserve">æqualis uti
              <lb/>
            que erit t p ipſi x o: </s>
            <s xml:id="echoid-s2393" xml:space="preserve">cumq; </s>
            <s xml:id="echoid-s2394" xml:space="preserve">portionum i p m, a o q diame-
              <lb/>
            tri ſint æquales, & </s>
            <s xml:id="echoid-s2395" xml:space="preserve">portiones ipſæ æquales erunt. </s>
            <s xml:id="echoid-s2396" xml:space="preserve">Rurſus
              <lb/>
              <note position="right" xlink:label="note-0091-01" xlink:href="note-0091-01a" xml:space="preserve">B</note>
            quoniam in por
              <lb/>
              <note position="right" xlink:label="note-0091-02" xlink:href="note-0091-02a" xml:space="preserve">C</note>
              <figure xlink:label="fig-0091-01" xlink:href="fig-0091-01a" number="57">
                <image file="0091-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0091-01"/>
              </figure>
            tionibus æquali
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            bus, & </s>
            <s xml:id="echoid-s2397" xml:space="preserve">ſimilibus
              <lb/>
            a o q l, a p m l,
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            ductæ ſunt lineæ
              <lb/>
            a q, i m, quæ æ-
              <lb/>
            quales portio-
              <lb/>
            nes auferunt; </s>
            <s xml:id="echoid-s2398" xml:space="preserve">il-
              <lb/>
            la quidem ab ex
              <lb/>
            tremitate baſis,
              <lb/>
            hæc autem non
              <lb/>
            ab extremitate:
              <lb/>
            </s>
            <s xml:id="echoid-s2399" xml:space="preserve">cõſtat eam, quæ
              <lb/>
            ab extremitate
              <lb/>
            baſis ducta eſt,
              <lb/>
            minorem facere
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            angulum acutũ
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            cum diametro totius portionis. </s>
            <s xml:id="echoid-s2400" xml:space="preserve">& </s>
            <s xml:id="echoid-s2401" xml:space="preserve">quoniam angulus, qui
              <lb/>
              <note position="right" xlink:label="note-0091-03" xlink:href="note-0091-03a" xml:space="preserve">D</note>
            ad χ minor eſt angulo, qui ad n; </s>
            <s xml:id="echoid-s2402" xml:space="preserve">maior erit b c, quàm b s:
              <lb/>
            </s>
            <s xml:id="echoid-s2403" xml:space="preserve">cr autem, quàm ſr minor. </s>
            <s xml:id="echoid-s2404" xml:space="preserve">quare & </s>
            <s xml:id="echoid-s2405" xml:space="preserve">o g minor, quàm p z: </s>
            <s xml:id="echoid-s2406" xml:space="preserve">
              <lb/>
            & </s>
            <s xml:id="echoid-s2407" xml:space="preserve">g x maior, quàm z t. </s>
            <s xml:id="echoid-s2408" xml:space="preserve">ergo p z maior eſt, quàm dupla z t;</s>
            <s xml:id="echoid-s2409" xml:space="preserve"/>
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