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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            <s xml:id="echoid-s348" xml:space="preserve">Ex jam demonſtratis perſpicuum eſt ſiphonis fluxum, eo
              <lb/>
            immobili permanente inæqualem fieri, idem enim contin-
              <lb/>
            git & </s>
            <s xml:id="echoid-s349" xml:space="preserve">vaſe ad fundum perforato, & </s>
            <s xml:id="echoid-s350" xml:space="preserve">fluente: </s>
            <s xml:id="echoid-s351" xml:space="preserve">namque & </s>
            <s xml:id="echoid-s352" xml:space="preserve">hic
              <lb/>
            fluxus inæqualis eſt, propterea quod in principio quidem
              <lb/>
            aquæ effuſio majori gravitate premitur, poſt vero ea evacuata
              <lb/>
            minori: </s>
            <s xml:id="echoid-s353" xml:space="preserve">& </s>
            <s xml:id="echoid-s354" xml:space="preserve">quo ſiphonis exceſſus major eſt, eo celerior fluxus
              <lb/>
            efficitur: </s>
            <s xml:id="echoid-s355" xml:space="preserve">rurſus enim fluxus, qui fit per oſculum ipſius, ma-
              <lb/>
            jori gravitate urgetur, quàm cum minor ſit exterior exceſſus,
              <lb/>
            quo videlicet ſuperficies aquæ in vaſe exiſtentis exterius ſi-
              <lb/>
            phonis oſculum excedit: </s>
            <s xml:id="echoid-s356" xml:space="preserve">fluxus igitur per ſiphonem ſemper
              <lb/>
            inæqualis jam dictus eſt: </s>
            <s xml:id="echoid-s357" xml:space="preserve">oportet autem fluxum ſemper æ-
              <lb/>
            qualem per ſiphonem invenire.</s>
            <s xml:id="echoid-s358" xml:space="preserve"/>
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        <div xml:id="echoid-div11" type="section" level="1" n="9">
          <head xml:id="echoid-head15" style="it" xml:space="preserve">De fluxu ſemper æquali per ſiphonem inflexum. III.</head>
          <p>
            <s xml:id="echoid-s359" xml:space="preserve">Sit aliquod A B vas aqua plenum in quo ſupernater C D lebetarium,
              <lb/>
            habens os obtectum operculo C D, per operculum vero, & </s>
            <s xml:id="echoid-s360" xml:space="preserve">fundum lebe-
              <lb/>
            tarii trajiciatur ſiphonis alterum crus, & </s>
            <s xml:id="echoid-s361" xml:space="preserve">ſtanno ad foramina coarctetur:
              <lb/>
            </s>
            <s xml:id="echoid-s362" xml:space="preserve">alterum autem crus ſit extra vas A B: </s>
            <s xml:id="echoid-s363" xml:space="preserve">habeatque oſculum humilius, quam
              <lb/>
            ſit aquæ in vaſe exiſtentis ſuperficies. </s>
            <s xml:id="echoid-s364" xml:space="preserve">Si igitur per ſiphonis oſculum
              <lb/>
            exterius aërem, qui eſt in ſiphone attrahemus, ſimul conſequetur
              <lb/>
            & </s>
            <s xml:id="echoid-s365" xml:space="preserve">humidum; </s>
            <s xml:id="echoid-s366" xml:space="preserve">quod non poſſit
              <lb/>
              <figure xlink:label="fig-0020-01" xlink:href="fig-0020-01a" number="7">
                <image file="0020-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0020-01"/>
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            in ſiphone locus omnino vacuus
              <lb/>
            eſſe: </s>
            <s xml:id="echoid-s367" xml:space="preserve">& </s>
            <s xml:id="echoid-s368" xml:space="preserve">cum principium fluxus
              <lb/>
            acceperit ſiphon, eo uſque fluet,
              <lb/>
            quoad totam, quæ in vafe con-
              <lb/>
            tinetur, aquam exhauſerit: </s>
            <s xml:id="echoid-s369" xml:space="preserve">eſt
              <lb/>
            autem is fluxus æqualis, præte-
              <lb/>
            rea quod exceſſus ſiphonis ex-
              <lb/>
            tra, quo in partem inferiorem
              <lb/>
            excedit ſuperficiem aquæ ſemper
              <lb/>
            idem manet; </s>
            <s xml:id="echoid-s370" xml:space="preserve">quoniam in vaſis
              <lb/>
            exinanitione ſimul & </s>
            <s xml:id="echoid-s371" xml:space="preserve">lebes cum
              <lb/>
            ſiphone deſcendit: </s>
            <s xml:id="echoid-s372" xml:space="preserve">quo autem
              <lb/>
            exceſſus extra major ſit, eo ve-
              <lb/>
            locior erit fluxus, quamquam
              <lb/>
            per ſeipſum æqualis. </s>
            <s xml:id="echoid-s373" xml:space="preserve">Sit dictus
              <lb/>
            ſiphon E F G, aquæ autem
              <lb/>
            ſuperficies ad rectam lineam
              <lb/>
            H K.</s>
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