Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

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[61.] LIII.
[62.] LIV.
[63.] LV.
[64.] LVI.
[65.] LVII.
[66.] LVIII.
[67.] LIX.
[68.] LX.
[69.] LXI.
[70.] LXII.
[71.] LXIII.
[72.] LXIV.
[73.] LXV.
[74.] LXVI.
[75.] LXVII.
[76.] LXVIII.
[77.] LXIX.
[78.] LXX.
[79.] LXXI.
[80.] LXXII.
[81.] LXXIII.
[82.] LXXIV.
[83.] LXXV.
[84.] LXXVI.
[85.] FINIS.
[86.] QUATUOR THEOREMATA Adjuncta SPIRITALIBUS HERONIS, Per M. Joannem Baptistam Aleottum. Et Conſtructio modi, quo artificialiter repræſentatur ca-nalis aquæ vivæ aquam ejaculans uſque in verticem cujuscunque altæ turris, ſumma facilitate. Ex Italice in Latinum conutrſa.
[87.] Theorema I.
[88.] Theorema II.
[89.] Theorema III.
[90.] Theorema IV.
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          <head xml:id="echoid-head62" xml:space="preserve">XLVIII.</head>
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            <s xml:id="echoid-s1329" xml:space="preserve">Thyrſum in aquam demiſſum edere ſonum vel fiſtulæ,
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            vel alicujus aviculæ.</s>
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          <p>
            <s xml:id="echoid-s1331" xml:space="preserve">Sit thyrſus ABCD fo-
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            ramen habens ad verticem
              <lb/>
            corymbi D, ſitque co-
              <lb/>
            rymbus concavus, velut
              <lb/>
            nux pinea: </s>
            <s xml:id="echoid-s1332" xml:space="preserve">& </s>
            <s xml:id="echoid-s1333" xml:space="preserve">caulem in-
              <lb/>
            terſeptum habeat paululum
              <lb/>
            ſub os, diaphragmate AE.
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            </s>
            <s xml:id="echoid-s1334" xml:space="preserve">Huic autem apponatur ſy-
              <lb/>
            ringula F ſub os tubi loca-
              <lb/>
            ta, & </s>
            <s xml:id="echoid-s1335" xml:space="preserve">ſimul perforata cum
              <lb/>
            diaphragmate. </s>
            <s xml:id="echoid-s1336" xml:space="preserve">Quando igi-
              <lb/>
            tur thyrſum in aquam in-
              <lb/>
            jicientes deorſum premi-
              <lb/>
            mus, aër, qui in ipſo eſt,
              <lb/>
            ab aqua eliſus ſonum efficit. </s>
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              <lb/>
            & </s>
            <s xml:id="echoid-s1338" xml:space="preserve">ſi quidem ſyringula ſit
              <lb/>
            ſola, ſyringæ ſonum edet,
              <lb/>
            ſi vero adſit quantitas aquæ
              <lb/>
            ſub diaphragmate, erit ſo-
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            nus cum clangore.</s>
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