Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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        <div xml:id="echoid-div15" type="section" level="1" n="11">
          <p>
            <s xml:id="echoid-s402" xml:space="preserve">
              <pb o="17" file="0023" n="23" rhead="SPIRITAL. LIBER."/>
            TYV prius agglutinata vaſi L Z quod paulo plus aquæ, quam ſiphon
              <lb/>
            capiat: </s>
            <s xml:id="echoid-s403" xml:space="preserve">habeat autem ad fundum effluxionem Ω. </s>
            <s xml:id="echoid-s404" xml:space="preserve">Quando igitur volumus
              <lb/>
            per ſiphonem educere aquam, quæ eſt in vaſe A B, effluxionem vaſis
              <lb/>
            L Z digito comprehendentes, ipſum aqua implebimus: </s>
            <s xml:id="echoid-s405" xml:space="preserve">poſtea ſœmi-
              <lb/>
            neum ſmeriſma maſculo aptantes, effluxionem Ω dimittemus: </s>
            <s xml:id="echoid-s406" xml:space="preserve">evacua-
              <lb/>
            to autem L Z vaſe, aër in ſiphone exiſtens in evacuatum locum proce-
              <lb/>
            det, quem conſequetur humidum quod in vaſe A B, ita ut ſiphon im-
              <lb/>
            pleatur: </s>
            <s xml:id="echoid-s407" xml:space="preserve">deinde auferentes vas L Z ſiphonem fluere ſinemus: </s>
            <s xml:id="echoid-s408" xml:space="preserve">oportet
              <lb/>
            autem ſiphonem recte deſcendere, ſi officium ſuum præſtare debeat; </s>
            <s xml:id="echoid-s409" xml:space="preserve">il-
              <lb/>
            lud autem erit, quando ad vaſis A B labrum duas regulas rectas compin-
              <lb/>
            gemus, atque inter ipſas intrinſecum ſiphonis crus conſtituemus, ita ut
              <lb/>
            utraſque contingat: </s>
            <s xml:id="echoid-s410" xml:space="preserve">ad idem vero ſiphonis crus intrinſecum utrinque
              <lb/>
            claviculam affigemus regulas contingentem in parte interiori: </s>
            <s xml:id="echoid-s411" xml:space="preserve">ita enim
              <lb/>
            neque obliquum, neque in anteriorem partem declinabit, recto enim,
              <lb/>
            & </s>
            <s xml:id="echoid-s412" xml:space="preserve">exquiſite deſcendet claviculis regulas atterentibus.</s>
            <s xml:id="echoid-s413" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div17" type="section" level="1" n="12">
          <head xml:id="echoid-head18" xml:space="preserve">VI.</head>
          <p>
            <s xml:id="echoid-s414" xml:space="preserve">Eorum vero, quæ ad opus conſtruuntur, nunc incipiamus
              <lb/>
            conſtructiones explicare, à minoribus, tamquam ab ele-
              <lb/>
            mentis initium facientes.</s>
            <s xml:id="echoid-s415" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div18" type="section" level="1" n="13">
          <head xml:id="echoid-head19" style="it" xml:space="preserve">De Sphærula conca@a ex ære. VI.</head>
          <p>
            <s xml:id="echoid-s416" xml:space="preserve">Eſt enim quædam parva ſtructura ad effundendum vi-
              <lb/>
            num utilis.</s>
            <s xml:id="echoid-s417" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s418" xml:space="preserve">Nam conſtruitur ſphærula concava
              <lb/>
              <figure xlink:label="fig-0023-01" xlink:href="fig-0023-01a" number="10">
                <image file="0023-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0023-01"/>
              </figure>
            ex ære, qualis eſt AB ex inferiori qui-
              <lb/>
            dem parte minutis, & </s>
            <s xml:id="echoid-s419" xml:space="preserve">denſis forami-
              <lb/>
            nibus perforata; </s>
            <s xml:id="echoid-s420" xml:space="preserve">veluti cribrum, ex
              <lb/>
            ſu
              <unsure/>
            periori vero tubum habens C D ſi-
              <lb/>
            mul cum ipſa perforatum & </s>
            <s xml:id="echoid-s421" xml:space="preserve">coarcta-
              <lb/>
            tum, cujus oſculum ſuperius apertum
              <lb/>
            ſi
              <unsure/>
            t. </s>
            <s xml:id="echoid-s422" xml:space="preserve">Quando igitur quis velit vinum
              <lb/>
            effundere comprehendens altera ma-
              <lb/>
            nu tubum C D ad C oſculum demit-
              <lb/>
            tat ſphærulam in vinum quouſque tota
              <lb/>
            occultetur: </s>
            <s xml:id="echoid-s423" xml:space="preserve">& </s>
            <s xml:id="echoid-s424" xml:space="preserve">vinum quidem per fora-
              <lb/>
            mina ingreditur, aer autem, quiintus
              <lb/>
            eſt, extruditur, & </s>
            <s xml:id="echoid-s425" xml:space="preserve">per tubum C D
              <lb/>
            excedit. </s>
            <s xml:id="echoid-s426" xml:space="preserve">Quod ſi quis pollice tubi </s>
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