Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

Table of contents

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[71.] THEOREMA VI. PROPOSITIO VI.
[72.] THE OREMA VII. PROPOSITIO VII.
[73.] THE OREMA VIII. PROPOSITIO VIII.
[74.] THE OREMA IX. PROPOSITIO IX.
[75.] PROBLEMA I. PROPOSITIO X.
[76.] PROBLEMA II. PROPOSITIO XI.
[77.] PROBLEMA III. PROPOSITIO XII.
[78.] PROBLEMA IIII. PROPOSITIO XIII.
[79.] THEOREMA X. PROPOSITIO XIIII.
[80.] THE OREMA XI. PROPOSITIO XV.
[81.] THE OREMA XII. PROPOSITIO XVI.
[82.] THE OREMA XIII. PROPOSITIO XVII.
[83.] THEOREMA XIIII. PROPOSITIO XVIII.
[84.] THEOREMA XV. PROPOSITIO XIX.
[85.] THE OREMA XVI. PROPOSITIO XX.
[86.] THEOREMA XVII. PROPOSITIO XXI.
[87.] THE OREMA XVIII. PROPOSITIO XXII.
[88.] THEOREMA XIX. PROPOSITIO XXIII.
[89.] PROBLEMA V. PROPOSITIO XXIIII.
[90.] THEOREMA XX. PROPOSITIO XXV.
[91.] THEOREMA XXI. PROPOSITIO XXVI.
[92.] THEOREMA XXII. PROPOSITIO XXVII.
[93.] PROBLEMA VI. PROPOSITIO XX VIII.
[94.] THE OREMA XXIII. PROPOSITIO XXIX.
[95.] THEOREMA XXIIII. PROPOSITIO XXX.
[96.] THEOREMA XXV. PROPOSITIO XXXI.
[97.] FINIS LIBRI DE CENTRO GRAVITATIS SOLIDORVM.
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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"/>
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            tionibus æquali
              <lb/>
            bus, & </s>
            <s xml:id="echoid-s2397" xml:space="preserve">ſimilibus
              <lb/>
            a o q l, a p m l,
              <lb/>
            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
              <lb/>
            angulum acutũ
              <lb/>
            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>
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