Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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              <pb o="113" file="0119" n="119" rhead="THEOREMATA SPIRITALIA."/>
            nuſquam poſſint exire, in iisque adaptentur duo magni ſiphones S, T, & </s>
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            5. </s>
            <s xml:id="echoid-s2245" xml:space="preserve">qui crure longiore deſcendant in conclave inferius, ſtentque crure bre-
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            viori ſuper pavimento conclavis ſuperioris, quantum ad aquæ fluxum
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            ſufficiet, & </s>
            <s xml:id="echoid-s2246" xml:space="preserve">ſimilis his ſit ſiphon T, cujus crus V infra infimum pavimen-
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            tum deſcendat, mittatque extremitatem ejus in canalem, per quem aqua
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            defluit. </s>
            <s xml:id="echoid-s2247" xml:space="preserve">In conclavi ſuperiore factum ſit ſive ex petra, ſive ex ære infundi-
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            bulum P, cujus cauda R in tantum ſita ſit ſupra planum X Y, quantum
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            ſufficere videbitur ad fluxum aquæ, & </s>
            <s xml:id="echoid-s2248" xml:space="preserve">intra illud derivet aquam canalis
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            Q, in quo ſit clavis, qui illum aperiat & </s>
            <s xml:id="echoid-s2249" xml:space="preserve">claudat pro lubitu noſtro, ut per
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            illum transmittamus tantum aquæ, quantum libuerit. </s>
            <s xml:id="echoid-s2250" xml:space="preserve">Poſtea adapta capi-
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            ta ventorum, quot libuerit, in conclavi ſupremo. </s>
            <s xml:id="echoid-s2251" xml:space="preserve">Conſtruantur canales
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            1. </s>
            <s xml:id="echoid-s2252" xml:space="preserve">F. </s>
            <s xml:id="echoid-s2253" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2254" xml:space="preserve">G. </s>
            <s xml:id="echoid-s2255" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2256" xml:space="preserve">N. </s>
            <s xml:id="echoid-s2257" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2258" xml:space="preserve">I. </s>
            <s xml:id="echoid-s2259" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2260" xml:space="preserve">K. </s>
            <s xml:id="echoid-s2261" xml:space="preserve">6. </s>
            <s xml:id="echoid-s2262" xml:space="preserve">L. </s>
            <s xml:id="echoid-s2263" xml:space="preserve">7. </s>
            <s xml:id="echoid-s2264" xml:space="preserve">M. </s>
            <s xml:id="echoid-s2265" xml:space="preserve">8. </s>
            <s xml:id="echoid-s2266" xml:space="preserve">I. </s>
            <s xml:id="echoid-s2267" xml:space="preserve">quorum oſcula inferiora per pavi-
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            mentum conclavis intrent in conclave primum, & </s>
            <s xml:id="echoid-s2268" xml:space="preserve">alteræ extremitates per-
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            tingant in ora ventorum, ita ut canale Qaquam transmittente in infundi-
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            bulum P, quantum aquæ influet, adeoque elevabitur ſupra planum X Y,
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            tantum aëris per ora ventorum efflabitur, quo conclave refrigerabitur, quia
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            hæc ora flabunt, ut ora ventorum, & </s>
            <s xml:id="echoid-s2269" xml:space="preserve">ut ſemper ſpirent, poſſunt conſtrui
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            alii canales ad ora 1. </s>
            <s xml:id="echoid-s2270" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2271" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2272" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2273" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2274" xml:space="preserve">6. </s>
            <s xml:id="echoid-s2275" xml:space="preserve">7. </s>
            <s xml:id="echoid-s2276" xml:space="preserve">8. </s>
            <s xml:id="echoid-s2277" xml:space="preserve">qui per medium parietem deſcen-
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            dant in conclave inferius oribus apertis, ut cum aqua ſuper plano X Y in
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            tantum fuerit elevata, ut operiat totum ſiphonem S, inferius per illum
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            ſe evacuabit primum conclave, & </s>
            <s xml:id="echoid-s2278" xml:space="preserve">dum aqua illa influit in conclave infe-
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            rius, quantum aquæ ſupra hujus pavimentum exurget, tantum aëris effla-
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            bitur per ora 1. </s>
            <s xml:id="echoid-s2279" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2280" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2281" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2282" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2283" xml:space="preserve">6. </s>
            <s xml:id="echoid-s2284" xml:space="preserve">7. </s>
            <s xml:id="echoid-s2285" xml:space="preserve">8. </s>
            <s xml:id="echoid-s2286" xml:space="preserve">cumque hoc conclave per 2 repletum eſt,
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            aqua per ſiphonem T delabendo defluet per V. </s>
            <s xml:id="echoid-s2287" xml:space="preserve">Notandum autem eſt, ut
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            ſiphon S conſtruatur tantæ magnitudinis, ut in evacuando conclavi poſſit
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            ſuperare caudam R vaſis P, & </s>
            <s xml:id="echoid-s2288" xml:space="preserve">habebitur continue & </s>
            <s xml:id="echoid-s2289" xml:space="preserve">ſemper in propoſito
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            conclavi ventus maxime refrigerans, pro libitu modo lenior, modo for-
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            tior: </s>
            <s xml:id="echoid-s2290" xml:space="preserve">ſecundum quod plus vel minus aperuerimus canalem Q clave
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            n,
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            eam pro lubitu peſſulo vertendo: </s>
            <s xml:id="echoid-s2291" xml:space="preserve">quod erat propoſitum.</s>
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