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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              <figure xlink:label="fig-0119-01" xlink:href="fig-0119-01a" number="51">
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            terminata ad B, ſit ad partem terminatam ad D,
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            vt 3. </s>
            <s xml:id="echoid-s1926" xml:space="preserve">ad 9. </s>
            <s xml:id="echoid-s1927" xml:space="preserve">ſeù vt 1. </s>
            <s xml:id="echoid-s1928" xml:space="preserve">ad 3. </s>
            <s xml:id="echoid-s1929" xml:space="preserve">Lector autem ſic edo-
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            ctus facile agnoſcet etiam centrum grauitatis figuræ
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            B C R, reuolutæ circa R G, &</s>
            <s xml:id="echoid-s1930" xml:space="preserve">c. </s>
            <s xml:id="echoid-s1931" xml:space="preserve">ſic ſecare R G,
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            vt pars terminata ad R, fit ad partem terminatam
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            ad G, vt 1. </s>
            <s xml:id="echoid-s1932" xml:space="preserve">ad 3.</s>
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