Heron Alexandrinus, Pneumatica, 1899

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    <archimedes>
      <text>
        <body>
          <chap n="proem">
            <p n="2">
              <s id="id.000032">
                <pb pagenum="16"/>
                <lb n="proem,174"/>
              φερομένην, ἀλλ' ὥσπερ κερασθεῖσαν καὶ παραπλεχθεῖσαν
                <lb n="proem,175"/>
              τοῖς τοῦ ἀέρος σώμασι καὶ αὐτὴν ἀέρα γενέσθαι. </s>
              <s id="id.000033">τὸ
                <lb n="proem,176"/>
              δὲ ὅμοιον ἐπινοεῖν δεῖ καὶ ἐπὶ τοῦ ἀέρος· ὅταν γὰρ
                <lb n="proem,177"/>
              οὗτος εἴς τι ἀγγεῖον οὐ μέγα ὑπάρχον καὶ ἐστεγνω­
                <lb n="proem,178"/>
              μένον εἰς ὕδωρ σὺν τῷ ἀγγείῳ κατατεθῇ, εἶτα ἀνα­
                <lb n="proem,179"/>
              στομωθέντος τοῦ ἀγγείου καὶ τὸ στόμιον εἰς τὸ ἄνω
                <lb n="proem,180"/>
              ἔχοντος τὸ ὕδωρ ἐμπέσῃ, ὁ μὲν ἀὴρ ἐκχωρεῖ ἐκ τοῦ
                <lb n="proem,181"/>
              ἀγγείου, κατακρατηθεὶς δὲ ἐκ τοῦ πολλοῦ ὕδατος πάλιν
                <lb n="proem,182"/>
              κεράννυται καὶ παραπλάσσεται, ὥστε ὕδωρ γενέσθαι.
                <lb n="proem,183"/>
              </s>
              <s id="id.000034">οὕτως οὖν καὶ τοῦ ἐν τῇ σικύᾳ ἀέρος φθειρομένου
                <lb n="proem,184"/>
              καὶ λεπτυνομένου ὑπὸ τοῦ πυρὸς καὶ διεκπίπτοντος διὰ
                <lb n="proem,185"/>
              τῶν τοῦ τεύχους ἀραιωμάτων κενούμενος ὁ ἐντὸς
                <lb n="proem,186"/>
              τόπος ἐπισπᾶται τὴν παρακειμένην ὕλην, οἵα τις ἐὰν
                <lb n="proem,187"/>
              τυγχάνῃ· παραπνευσάσης δὲ τῆς σικύας ὁ μὲν ἀὴρ εἰς
                <lb n="proem,188"/>
              τὸν κενούμενον τόπον εἰσπίπτει, τῆς δὲ ὕλης οὐκέτι
                <lb n="proem,189"/>
              οὐδὲν ἐπισπάσεται. </s>
              <s id="id.000035">τοῖς οὖν φαμένοις τὸ καθόλου
                <lb n="proem,190"/>
              μηδὲν εἶναι κενὸν ἐκποιεῖ πρὸς ταῦτα πολλὰ εὑρίσκειν
                <lb n="proem,191"/>
              ἐπιχειρήματα καὶ τάχα φαίνεσθαι τῷ λόγῳ πιθανω­
                <lb n="proem,192"/>
              τέρους μηδεμιᾶς παρακειμένης αἰσθητικῆς ἀποδείξεως·
                <lb n="proem,193"/>
              ἐὰν μέντοι δειχθῇ ἐπὶ τῶν φαινομένων καὶ ὑπὸ τὴν
                <lb n="proem,194"/>
              αἴσθησιν πιπτόντων, ὅτι κενὸν ἄθρουν ἐστὶν παρὰ
                <lb n="proem,195"/>
              φύσιν μέντοι γινόμενον, καὶ κατὰ φύσιν μὲν κενόν,
                <lb n="proem,196"/>
              κατὰ λεπτὰ δὲ παρεσπαρμένον, καὶ ὅτι κατὰ πίλησιν
                <lb n="proem,197"/>
              τὰ σώματα ἀναπληροῖ τὰ παρεσπαρμένα κενά, οὐδε­
                <lb n="proem,198"/>
              μίαν οὐκέτι παρείσδυσιν ἕξουσιν οἱ τοὺς πιθανοὺς
                <lb n="proem,199"/>
              τῶν λόγων περὶ τούτων προφερόμενοι. </s>
              <s id="id.000036">κατασκευάζεται
                <lb n="proem,200"/>
              γὰρ σφαῖρα πάχος ἔχουσα τοῦ ἐλάσματος, ὥστε μὴ </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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