Heron Alexandrinus, Pneumatica, 1899

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    <archimedes>
      <text>
        <body>
          <chap n="1">
            <p n="4">
              <s id="id.000106">
                <pb pagenum="46"/>
                <lb n="4,21"/>
              ΑΒ ἀγγείῳ ὕδατος ἐπιφανείας. </s>
              <s id="id.000107">ἐὰν οὖν διὰ τοῦ ἐκτὸς
                <lb n="4,22"/>
              στομίου τοῦ σίφωνος ἐπισπασώμεθα τὸν ἐν τῷ σίφωνι
                <lb n="4,23"/>
              ὄντα ἀέρα, συνακολουθήσει τὸ ὑγρὸν διὰ τὸ μὴ δύ­
                <lb n="4,24"/>
              νασθαι κενὸν ἄθρουν τόπον ἐν τῷ σίφωνι γενέσθαι.
                <lb n="4,25"/>
              </s>
              <s id="id.000108">ἀρχὴν δὲ λαβὼν ὁ σίφων τῆς ῥύσεως ῥέει, ἄχρις ἂν
                <lb n="4,26"/>
              πᾶν κενώσῃ τὸ ἐν τῷ ἀγγείῳ ὕδωρ· καὶ ἔσται ἡ ῥύσις
                <lb n="4,27"/>
              ὁμαλὴ τῷ τὴν ἐκτὸς ὑπεροχὴν τοῦ σίφωνος, ἣν ὑπερ­
                <lb n="4,28"/>
              έχει εἰς τὸ κάτω μέρος τῆς τοῦ ὕδατος ἐπιφανείας,
                <lb n="4,29"/>
              ἀεὶ τὴν αὐτὴν γίνεσθαι, ἐπειδήπερ τῇ τοῦ ἀγγείου
                <lb n="4,30"/>
              κενώσει συγκαταβαίνει καὶ ὁ λέβης σὺν τῷ σίφωνι.
                <lb n="4,31"/>
              </s>
              <s id="id.000109">ὅσῳ δ' ἂν ἡ ἐκτὸς ὑπεροχὴ μείζων ᾖ, τοσούτῳ ὀξυτέρα
                <lb n="4,32"/>
              τῆς πρότερον ἡ ῥύσις ἔσται, ὁμαλὴ δὲ καθ' ἑαυτήν.
                <lb n="4,33"/>
              </s>
              <s id="id.000110">ἔστω δὲ ὁ εἰρημένος σίφων ὁ ΕΖΗ, ἡ δὲ τοῦ ὕδατος
                <lb n="4,34"/>
              ἐπιφάνεια κατὰ τὴν ΘΚ εὐθεῖαν.
                <lb n="4,35"/>
              </s>
            </p>
            <p n="5">
              <s id="id.000111">Ἡ δὲ κατὰ μέν τι ὁμαλή, κατὰ δέ τι ἀνώμαλος
                <lb n="5,1"/>
              γίνεται οὕτως διὰ τοῦ σίφωνος· καλῶ δὲ κατὰ μέν τι
                <lb n="5,2"/>
              ὁμαλήν, κατὰ δέ τι ἀνώμαλον, ὅταν ἐπί τινα χρόνον
                <lb n="5,3"/>
              βουλομένοις ὁμαλὴ ᾖ ἡ γινομένη ἐξ ἀρχῆς ῥύσις, ἐπὶ
                <lb n="5,4"/>
              δὲ ἕτερον πάλιν χρόνον προαιρουμένοις ὁμαλὴ μὲν ᾖ
                <lb n="5,5"/>
              καθ' ἑαυτὴν ἡ γινομένη ῥύσις, τῆς δὲ πρότερον ἤτοι
                <lb n="5,6"/>
              βραδυτέρα ἢ ταχυτέρα.
                <lb n="5,7"/>
              </s>
              <s id="id.000112">Ἔστω γὰρ πάλιν τὸ μὲν τοῦ ὕδατος ἀγγεῖον τὸ </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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