Heron Alexandrinus, Pneumatica, 1899

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      <text>
        <body>
          <chap n="proem">
            <p n="2">
              <s id="id.000036">
                <pb pagenum="18"/>
                <lb n="proem,201"/>
              εὔθλαστος εἶναι, χωροῦσα ὅσον κοτύλας η#. </s>
              <s id="id.000037">στεγνῆς δὲ
                <lb n="proem,202"/>
              οὔσης αὐτῆς πάντοθεν τρυπήσαντα δεῖ σίφωνα καθεῖναι
                <lb n="proem,203"/>
              χαλκοῦν, τουτέστι σωλῆνα λεπτόν, μὴ ψαύοντα τοῦ
                <lb n="proem,204"/>
              κατὰ διάμετρον τόπου τοῦ τετρυπημένου σημείου,
                <lb n="proem,205"/>
              ὅπως ὕδατι διάρρυσις ὑπάρχῃ, τὸ δὲ ἄλλο μέρος αὐτοῦ
                <lb n="proem,206"/>
              ἐκτὸς ὑπερέχειν τῆς σφαίρας ὅσον δακτύλους τρεῖς·
                <lb n="proem,207"/>
              τὴν δὲ τοῦ τρυπήματος περιοχήν, δι' οὗ καθίεται ὁ
                <lb n="proem,208"/>
              σίφων, στεγνοῦν δεῖ κασσιτέρῳ προσλαμβάνοντα πρός τε
                <lb n="proem,209"/>
              τὸν σίφωνα καὶ τὴν ἐκτὸς τῆς σφαίρας ἐπιφάνειαν,
                <lb n="proem,210"/>
              ὥστε ὅταν βουλώμεθα τῷ στόματι διὰ τοῦ σίφωνος
                <lb n="proem,211"/>
              ἐμφυσᾶν, κατὰ μηδένα τρόπον τὸ πνεῦμα τῆς σφαίρας
                <lb n="proem,212"/>
              διεκπίπτειν. </s>
              <s id="id.000038">σκοπῶμεν δὴ τὰ συμβαίνοντα· ὑπάρχοντος
                <lb n="proem,213"/>
              γὰρ ἀέρος ἐν αὐτῇ, καθάπερ καὶ ἐν τοῖς ἄλλοις ἀγ­
                <lb n="proem,214"/>
              γείοις πᾶσι τοῖς λεγομένοις κενοῖς, τοῦ δὲ ἀέρος
                <lb n="proem,215"/>
              πεπληρωκότος πάντα τὸν ἐν αὐτῇ τόπον καὶ προσ­
                <lb n="proem,216"/>
              ερηρεισμένου κατὰ συνέχειαν πρὸς τὴν τοῦ τεύχους
                <lb n="proem,217"/>
              περιοχὴν καὶ μηδενὸς κενοῦ, καθάπερ οἴονται, τὸ
                <lb n="proem,218"/>
              παράπαν ὑπάρχοντος τόπου, οὔτ' ἂν ὕδωρ εἰσκρῖναι
                <lb n="proem,219"/>
              δυνηθείημεν οὔτε ἄλλον ἀέρα, μὴ ὑποχωρήσαντος
                <lb n="proem,220"/>
              τοῦ πρότερον ἐν αὐτῇ ὑπάρχοντος ἀέρος. </s>
              <s id="id.000039">καὶ ἐὰν μετὰ
                <lb n="proem,221"/>
              πολλῆς βίας τὴν εἴσκρισιν ποιώμεθα, πρότερον διαρρα­
                <lb n="proem,222"/>
              γήσεται τὸ τεῦχος ἢ ἐπιδέξεταί τι πλῆρες ὑπάρχον·
                <lb n="proem,223"/>
              οὔτε γὰρ τὰ σώματα τοῦ ἀέρος δύναται συσταλῆναι
                <lb n="proem,224"/>
              εἰς ἔλασσον μέγεθος· δεήσει γὰρ ἐν αὐτοῖς ἔχειν τινὰ
                <lb n="proem,225"/>
              διαστήματα, εἰς ἃ συμπιλούμενα ἐλάσσων αὐτοῖς ὄγκος
                <lb n="proem,226"/>
              ἔσται· τοῦτο δὲ οὐ πιθανὸν γίνεται μὴ ὄντος καθόλου
                <lb n="proem,227"/>
              κενοῦ· οὔτε συνερηρεισμένων κατὰ πάσας τὰς ἐπι­
                <lb n="proem,228"/>
              φανείας τῶν σωμάτων πρὸς ἄλληλα καὶ ὁμοίως πρὸς </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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