Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

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[12.] VI.
[13.] De Sphærula conca@a ex ære. VI.
[14.] VII.
[15.] De Prochyta. VIII.
[16.] De Sphæra cancara. IX.
[17.] De Aſſario. X.
[18.] XI.
[19.] XII.
[20.] De concor diæcrateribus. XIII.
[21.] XIV.
[22.] XV.
[23.] XVI.
[24.] XVII.
[25.] XVIII.
[26.] XIX.
[27.] XX.
[28.] XXI
[29.] XXII.
[30.] XXIII.
[31.] XXIV.
[32.] XXV.
[33.] XXVI.
[34.] ALITER. Poteſt autem & aliteridem effici.
[35.] XXVII.
[36.] XXVIII.
[37.] XXIX.
[38.] XXX.
[39.] XXXI.
[40.] XXXII.
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          <head xml:id="echoid-head41" xml:space="preserve">XXVII.</head>
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            <s xml:id="echoid-s890" xml:space="preserve">Siphones autem, quibus utuntur ad incendia hoc modo
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            conſtruuntur.</s>
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            <s xml:id="echoid-s892" xml:space="preserve">Sint duo modioli ærei torno expoliti ſecundum interiorem eorum ſu-
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            perficiem ad embolos, quemadmodum bydrauleorum modioli A B C D
              <lb/>
            E F G H: </s>
            <s xml:id="echoid-s893" xml:space="preserve">& </s>
            <s xml:id="echoid-s894" xml:space="preserve">emboli ipſis congruentes ſint K L M N: </s>
            <s xml:id="echoid-s895" xml:space="preserve">ſimul vero modio-
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            li perforentur inter ſeſe per tubum X O D F: </s>
            <s xml:id="echoid-s896" xml:space="preserve">& </s>
            <s xml:id="echoid-s897" xml:space="preserve">ex partibus exterioribus
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            intra X O D F tubum habeant aſſaria appoſita P R, qualia in ſuperiori-
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            bus dicta ſunt, ita ut in partem modiolorum exteriorem aperiantur. </s>
            <s xml:id="echoid-s898" xml:space="preserve">Ha-
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            beant etiam modioli in fundis rotunda formina S T obturata axibus expo-
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            litis Y Φ Q Ψ, per quos fibulæ Ω Ω traducantur agglutinatæ, vel conjunctæ
              <lb/>
            modiolorum fundis, habenteſque colymatia ex partibus extremis, ut
              <lb/>
            ne axes exipſis amplius extrahantur: </s>
            <s xml:id="echoid-s899" xml:space="preserve">emboli vero habeant rectas regulas
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            compactas in medio ς quibus jungatur regula Z α, quæ ad medium qui-
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            dem moveatur circa fibulam {ευ} manentem, ad regulas vero ς </s>
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