Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber
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          <pb o="77" file="0083" n="83" rhead="SPIRITAL. LIBER."/>
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        <div xml:id="echoid-div108" type="section" level="1" n="69">
          <head xml:id="echoid-head75" xml:space="preserve">LXI.</head>
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            <s xml:id="echoid-s1555" xml:space="preserve">Lucernæ conſtructio, ut ſi oleum diminutum ſit, in ac-
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            cenſione lucernæ aqua infuſa, lucerna oleo repleatur.</s>
            <s xml:id="echoid-s1556" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1557" xml:space="preserve">Sit ſub lucerna vas undi-
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              <figure xlink:label="fig-0083-01" xlink:href="fig-0083-01a" number="68">
                <image file="0083-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0083-01"/>
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            que præcluſum A B, ſive
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            ipſi conjunctum, ſive ſeor-
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            ſum poſitum, ex quo pro-
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            cedant duo tubi C D, E F
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            ſimul cum vaſe perforati.
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            </s>
            <s xml:id="echoid-s1558" xml:space="preserve">Et oſculum tubi C à fundo
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            ejus tantum diſtet, quan-
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            tum ad aquæ fluxum ſa-
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            tis ſit. </s>
            <s xml:id="echoid-s1559" xml:space="preserve">Tubus autem C D
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            uſque ad ſuperficiem lu-
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            cernæ extendatur, phia-
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            lulam habens ad ejus ex-
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            tremum D, per quam aquæ
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            infufio erit: </s>
            <s xml:id="echoid-s1560" xml:space="preserve">& </s>
            <s xml:id="echoid-s1561" xml:space="preserve">Tubus E F
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            ſimul perforetur cum lu-
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            cernæ fundo. </s>
            <s xml:id="echoid-s1562" xml:space="preserve">Si igitur ali-
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            quis per umbilicum lucer-
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            næ oleum infundat, pri-
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            mum in vas A B procedet. </s>
            <s xml:id="echoid-s1563" xml:space="preserve">
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            Deinde eo repleto, reple-
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            buntur & </s>
            <s xml:id="echoid-s1564" xml:space="preserve">tubi C D, E F,
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            & </s>
            <s xml:id="echoid-s1565" xml:space="preserve">lucerna ipſa. </s>
            <s xml:id="echoid-s1566" xml:space="preserve">Itaque ar-
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            dens lucerna exinanietur: </s>
            <s xml:id="echoid-s1567" xml:space="preserve">
              <lb/>
            & </s>
            <s xml:id="echoid-s1568" xml:space="preserve">cum per phialulam, quæ eſt ad D aquam infundamus, deferetur in vas
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            A B, oleo mixta, oleum autem quod eſt in vaſe A B aſcendens replebit
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            partem lychni exinanitam quouſque oleum ad nares perveniat. </s>
            <s xml:id="echoid-s1569" xml:space="preserve">Poſtea
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            rurſus ſi ſubſideat oleum, idem faciendum eſt quoad oleum abſumatur. </s>
            <s xml:id="echoid-s1570" xml:space="preserve">
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            Quod ſi oporteat oleo adhuc in lucerna comprehenſo, auferre vas A B,
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            erit ſmeriſma quoddam in tubis C D, E F ad @A B vas, & </s>
            <s xml:id="echoid-s1571" xml:space="preserve">ad lucernam
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            claviculæ, ita ut ipſis converſis contineatur oleum, & </s>
            <s xml:id="echoid-s1572" xml:space="preserve">quod in lucerna
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            eſt, & </s>
            <s xml:id="echoid-s1573" xml:space="preserve">quod in tubis, & </s>
            <s xml:id="echoid-s1574" xml:space="preserve">ita vas exemptile erit. </s>
            <s xml:id="echoid-s1575" xml:space="preserve">Et quando volumus rur-
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            ſus iiſdem appoſitis claviculas aperiemus. </s>
            <s xml:id="echoid-s1576" xml:space="preserve">Melius autem eſt tubum quidem
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            E F in aurem lucernæ ferri, tubum vero C D paululum poſt aurem, </s>
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