Heron Alexandrinus, Pneumatica, 1899

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    <archimedes>
      <text>
        <body>
          <chap n="1">
            <p n="11">
              <s id="id.000163">
                <pb pagenum="78"/>
                <lb n="11,3"/>
              ὡσπερεὶ στάθμης. </s>
              <s id="id.000164">ταῦτα δὴ ἐφαρμοσθέντα ἐπάλληλα
                <lb n="11,4"/>
              κατὰ τὸ πλάτος σμηρίζεται, τουτέστι λειοῦται, ὥστε
                <lb n="11,5"/>
              εἰς τὸ μεταξὺ αὐτῶν μήτε ἀέρα μήτε ὑγρὸν παρεμ­
                <lb n="11,6"/>
              πίπτειν.
                <lb n="11,7"/>
              </s>
              <s id="id.000165">Ἔστω δὲ ταῦτα τὰ ΑΒΓΔ, ΕΖΗΘ· ἓν δὲ αὐτῶν
                <lb n="11,8"/>
              τὸ ΕΖΗΘ τέτρηται κατὰ μέσον στρογγύλῳ τρήματι
                <lb n="11,9"/>
              τὴν διάμετρον
                <gap/>
              ὡς δακτύλου τρίτον· ἐφαρμοσθείσης
                <lb n="11,10"/>
              δὲ τῆς ΑΔ πλευρᾶς ἐπὶ τὴν ΕΘ, συλλαμβάνεται πρὸς
                <lb n="11,11"/>
              ἄλληλα τὰ πλινθία στροφωματίοις, ὥστε τὰς λείας
                <lb n="11,12"/>
              ἐπιφανείας τῶν πλινθίων ἀλλήλαις ἐφηρμοκέναι. </s>
              <s id="id.000166">ὅταν
                <lb n="11,13"/>
              οὖν βουλώμεθα δι' αὐτῶν ἐνεργεῖν, ἐπικολλᾶται τὸ
                <lb n="11,14"/>
              ΕΖΗΘ πλινθίον τῷ τρήματι, δι' οὗ ἤτοι ἀέρα ἢ
                <lb n="11,15"/>
              ὑγρὸν εἰσωθούμενον δύναται στέγειν· διὰ γὰρ τῆς
                <lb n="11,16"/>
              διωθήσεως τὸ ΑΒΓΔ πλινθίον ἀνοίγεται εὐλύτως
                <lb n="11,17"/>
              κινούμενον διὰ τῶν στροφωματίων καὶ δέχεται τὸν
                <lb n="11,18"/>
              ἀέρα καὶ τὸ ὑγρόν, ὃς ἀποκλείεται εἰς τὸ στεγνὸν ἀγ­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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