Cavalieri, Buonaventura, Lo specchio ustorio overo trattato delle settioni coniche, et alcuni loro mirabili effetti intorno al lume, caldo, freddo, suono, e moto ancora

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        <div xml:id="echoid-div68" type="section" level="1" n="68">
          <pb o="115" file="0135" n="135" rhead="Coniche. Cap. XXXI."/>
          <p style="it">
            <s xml:id="echoid-s1020" xml:space="preserve">A diſtantia autem commenſurati Speculi</s>
          </p>
          <p style="it">
            <s xml:id="echoid-s1021" xml:space="preserve">Parua talia ſpecilla cum poſuiſſet, quadrupla
              <lb/>
            angulis:</s>
            <s xml:id="echoid-s1022" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1023" xml:space="preserve">Quæ mouebantur laminis, & </s>
            <s xml:id="echoid-s1024" xml:space="preserve">quibuſdam ſcul.
              <lb/>
            </s>
            <s xml:id="echoid-s1025" xml:space="preserve">pturis,</s>
          </p>
          <p style="it">
            <s xml:id="echoid-s1026" xml:space="preserve">Medium illud poſuit radiorum Solis,</s>
          </p>
          <p style="it">
            <s xml:id="echoid-s1027" xml:space="preserve">Australis, & </s>
            <s xml:id="echoid-s1028" xml:space="preserve">Æ stiualis, & </s>
            <s xml:id="echoid-s1029" xml:space="preserve">Hyemalis:</s>
            <s xml:id="echoid-s1030" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1031" xml:space="preserve">Refractis deinceps in hoc radijs,</s>
          </p>
          <p style="it">
            <s xml:id="echoid-s1032" xml:space="preserve">Exarſio ſublata e st formidabilis ignita nauibus.</s>
            <s xml:id="echoid-s1033" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1034" xml:space="preserve">Et has in cinerẽ redegit longitudine arcus iactus.</s>
            <s xml:id="echoid-s1035" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div69" type="section" level="1" n="69">
          <head xml:id="echoid-head74" style="it" xml:space="preserve">Hist. 35. Chil. 2.</head>
          <p>
            <s xml:id="echoid-s1036" xml:space="preserve">Io per me confeſſo non hauer trouato Autore,
              <lb/>
            che paſsi più inanzi di queſto nello ſpiegare
              <lb/>
            la forma del ſudetto Specchio d’Archimede;
              <lb/>
            </s>
            <s xml:id="echoid-s1037" xml:space="preserve">dalle quali parole credo non oſcuramente ſi
              <lb/>
            poſsi comprẽdere, che oltre lo Specchio o Pa-
              <lb/>
            rabolico, ò Sferico che ſi foſſe, vi adopraſ-
              <lb/>
            ſe ancora o Specchietti, ò pur lenti; </s>
            <s xml:id="echoid-s1038" xml:space="preserve">quel ter-
              <lb/>
            mine poi di Hexagonuw aliquod Speculum ci ma-
              <lb/>
            nifeſta, che queſto Scrittore nõ ſapeua di che
              <lb/>
            ſorte foſſe tale Specchio, ma hauendo forſi
              <lb/>
            ſentito dire, che lo Specchio cõcauo Sferico
              <lb/>
            abbrucia dinanzi per quanto di quà, e di là ſi
              <lb/>
            eſtẽde il lato dell Eſſagono, come ſi è ſpiega-
              <lb/>
            to nel Cap. </s>
            <s xml:id="echoid-s1039" xml:space="preserve">21. </s>
            <s xml:id="echoid-s1040" xml:space="preserve">ſi riſolſe à ſcriuere, ch’era </s>
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