Angeli, Stefano degli, Miscellaneum hyperbolicum et parabolicum : in quo praecipue agitur de centris grauitatis hyperbolae, partium eiusdem, atque nonnullorum solidorum, de quibus nunquam geometria locuta est, parabola nouiter quadratur dupliciter, ducuntur infinitarum parabolarum tangentes, assignantur maxima inscriptibilia, minimaque circumscriptibilia infinitis parabolis, conoidibus ac semifusis parabolicis aliaque geometrica noua exponuntur scitu digna

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              <pb o="7" file="0019" n="19"/>
              <figure xlink:label="fig-0019-01" xlink:href="fig-0019-01a" number="7">
                <image file="0019-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/PVNDER1Y/figures/0019-01"/>
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            lum G B D, ad quadratum B D). </s>
            <s xml:id="echoid-s224" xml:space="preserve">Ergo ex pro-
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            poſit. </s>
            <s xml:id="echoid-s225" xml:space="preserve">anteced. </s>
            <s xml:id="echoid-s226" xml:space="preserve">erit & </s>
            <s xml:id="echoid-s227" xml:space="preserve">vt reliquum rectangulum
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            A E C, ad reliquum rectangulum H k O, vt reli-
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            quum quadratum D B, ad reliquum quadratum
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            B L. </s>
            <s xml:id="echoid-s228" xml:space="preserve">Quod &</s>
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          <head xml:id="echoid-head21" xml:space="preserve">PROPOSITIO IV.</head>
          <p style="it">
            <s xml:id="echoid-s231" xml:space="preserve">Si ex figuris antecedentium propoſitionum intelligantur ge-
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            nerari conoidea, in quibus inſcribentur coni ſuper ijſ-
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            dem baſibus, & </s>
            <s xml:id="echoid-s232" xml:space="preserve">circa eandem diametrum. </s>
            <s xml:id="echoid-s233" xml:space="preserve">Differen-
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            tia conoideorum tam ſecundum totum, quam </s>
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