Heron Alexandrinus, Belopoiica, 1918

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    <archimedes>
      <text>
        <body>
          <chap>
            <p n="30">
              <s id="id.000147">
                <pb pagenum="46"/>
                <lb n="30,42"/>
              λαμβάνουσιν, ὥστε μὴ ἀπᾴδειν τῆς
                <lb n="30,43"/>
              διὰ τῶν νεύρων ἰσχύος.
                <lb n="30,44"/>
              </s>
              <s id="id.000148">Ἱκανῶς οὖν καὶ κεφαλαιωδῶς
                <lb n="30,45"/>
              περὶ τῆς κατασκευῆς καὶ χρήσεως
                <lb n="30,46"/>
              τῶν εὐθυτόνων καὶ παλιντόνων
                <lb n="30,47"/>
              εἰρηκότες, ἑξῆς καὶ τὰ μέτρα ὑπο­
                <lb n="30,48"/>
              γράψομεν.
                <lb n="30,49"/>
              </s>
            </p>
            <p n="31">
              <s id="id.000149">Εἰδέναι δὲ δεῖ, ὅτι ἡ τῶν
                <lb n="31,1"/>
              μέτρων ἀναγραφὴ ἐξ αὐτῆς τῆς
                <lb n="31,2"/>
              πείρας ἐλήφθη. </s>
              <s id="id.000150">οἱ γὰρ παλαιότεροι,
                <lb n="31,3"/>
              μόνον τὸ σχῆμα καὶ τὴν διάθεσιν
                <lb n="31,4"/>
              ἐπινοήσαντες, οὐ πάνυ τι ηὐδοκί­
                <lb n="31,5"/>
              μουν εἰς τὴν ἐξαποστολὴν τοῦ
                <lb n="31,6"/>
              βέλους, διὰ τὸ ἁρμοστοῖς συμ­
                <lb n="31,7"/>
              μετρίαις μὴ χρῆσθαι. </s>
              <s id="id.000151">οἱ δὲ μετὰ
                <lb n="31,8"/>
              ταῦτα, ἀφ' ὧν μὲν ἀφαιροῦντες,
                <lb n="31,9"/>
              οἷς δὲ προστιθέντες σύμφωνα
                <lb n="31,10"/>
              κατέστησαν καὶ ἐνεργὰ τὰ εἰρη­
                <lb n="31,11"/>
              μένα ὄργανα. </s>
              <s id="id.000152">συνίσταται δὲ τὰ
                <lb n="31,12"/>
              προειρημένα ὄργανα, οἷον τὰ κατὰ
                <lb n="31,13"/>
              μέρος ἐν αὐτοῖς πάντα, ἀπὸ τῆς
                <lb n="31,14"/>
              τοῦ τρήματος διαμέτρου τοῦ τὸν
                <lb n="31,15"/>
              τόνον δεχομένου. </s>
              <s id="id.000153">ἀρχὴ γὰρ καὶ
                <lb n="31,16"/>
              ἡγούμενον ὁ τόνος.
                <lb n="31,17"/>
              </s>
            </p>
            <p n="32">
              <s id="id.000154">Δεῖ οὖν τὸ τοῦ λιθοβόλου
                <lb n="32,1"/>
              ὀργάνου τρῆμα συνίστασθαι οὕτω.
                <lb n="32,2"/>
              </s>
              <s id="id.000155">ὅσων ἐὰν ᾖ μνῶν ὁ μέλλων ἐξα­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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