Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

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          <head xml:id="echoid-head55" xml:space="preserve">XLI.</head>
          <p>
            <s xml:id="echoid-s1235" xml:space="preserve">Vaſis conſtructio, quod {διὰ}εόμετ{ρο}ν videlicet juſtæ men-
              <lb/>
            ſuræ appellatur. </s>
            <s xml:id="echoid-s1236" xml:space="preserve">Hoc autem humido repletum quotieſcum-
              <lb/>
            que invertatur, æqualem quantitatem effundit.</s>
            <s xml:id="echoid-s1237" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1238" xml:space="preserve">Sit aliquod vas A B, interſe-
              <lb/>
              <figure xlink:label="fig-0064-01" xlink:href="fig-0064-01a" number="48">
                <image file="0064-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0064-01"/>
              </figure>
            ptum habens collum A B dia-
              <lb/>
            phragmate: </s>
            <s xml:id="echoid-s1239" xml:space="preserve">& </s>
            <s xml:id="echoid-s1240" xml:space="preserve">ad fundum vaſis
              <lb/>
            ſit ſphærula C, capiens menſu-
              <lb/>
            ram, quam effundere volueri-
              <lb/>
            mus. </s>
            <s xml:id="echoid-s1241" xml:space="preserve">Per diaphragma vero de-
              <lb/>
            mittatur tubus ſubtiliſſimus DE.
              <lb/>
            </s>
            <s xml:id="echoid-s1242" xml:space="preserve">Simul cum ſphærula perforatus: </s>
            <s xml:id="echoid-s1243" xml:space="preserve">
              <lb/>
            & </s>
            <s xml:id="echoid-s1244" xml:space="preserve">in parte inferiori ſphærulæ
              <lb/>
            ſit parvum foramen F, à quo ex-
              <lb/>
            tendatur tubulus F G ſub auri-
              <lb/>
            culam vaſis tendens, & </s>
            <s xml:id="echoid-s1245" xml:space="preserve">ſimul
              <lb/>
            perforatus cum ea, quæ conca-
              <lb/>
            va exiſtat: </s>
            <s xml:id="echoid-s1246" xml:space="preserve">& </s>
            <s xml:id="echoid-s1247" xml:space="preserve">juxta dictum fo-
              <lb/>
            ramen ſit aliud foramen L
              <lb/>
            tendens in alveum vaſis. </s>
            <s xml:id="echoid-s1248" xml:space="preserve">Ha-
              <lb/>
            beat autem auricula etiam ſpi-
              <lb/>
            raculum H. </s>
            <s xml:id="echoid-s1249" xml:space="preserve">Comprehendentes
              <lb/>
            igitur H ſpiraculum vas humido
              <lb/>
            replebimus per foramen, quod
              <lb/>
            poſt infuſionem obturetur. </s>
            <s xml:id="echoid-s1250" xml:space="preserve">Vel
              <lb/>
            etiam per ipſum tubulum D E
              <lb/>
            vas implebitur, exiſtentein ven-
              <lb/>
            tre vaſis parvo foramine, per
              <lb/>
            quod aër expellatur. </s>
            <s xml:id="echoid-s1251" xml:space="preserve">Simul quo-
              <lb/>
            que humido replebitur ſphærula
              <lb/>
            per tubulum DE. </s>
            <s xml:id="echoid-s1252" xml:space="preserve">Ergo ſi inver-
              <lb/>
            tentes vas ſpiraculum H dimittamus, effluet humidum, quod in ſphærula
              <lb/>
            C, & </s>
            <s xml:id="echoid-s1253" xml:space="preserve">in tubulo D E continetur. </s>
            <s xml:id="echoid-s1254" xml:space="preserve">Rurſus ſi comprehendentes ſpiraculum
              <lb/>
            vas invertamus, & </s>
            <s xml:id="echoid-s1255" xml:space="preserve">ſphærula, & </s>
            <s xml:id="echoid-s1256" xml:space="preserve">tubulus implebuntur; </s>
            <s xml:id="echoid-s1257" xml:space="preserve">aër enim, qui eſt
              <lb/>
            inipſis ab incidente humido expelletur. </s>
            <s xml:id="echoid-s1258" xml:space="preserve">Poſtea rurſus quando vas inver-
              <lb/>
            tamus, æqualis molis humidum effluet, niſifortaſſe ob differentiam tu-
              <lb/>
            buli D E, non enim ſemper implebitur. </s>
            <s xml:id="echoid-s1259" xml:space="preserve">Sed juxta vaſis inanitionem & </s>
            <s xml:id="echoid-s1260" xml:space="preserve">
              <lb/>
            ipſe inanietur. </s>
            <s xml:id="echoid-s1261" xml:space="preserve">Hæc autem differentia omnino minima erit.</s>
            <s xml:id="echoid-s1262" xml:space="preserve"/>
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