Heron Alexandrinus, Mechanicorum Fragmenta, 1899

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    <archimedes>
      <text>
        <body>
          <chap n="1">
            <p n="11">
              <s id="id.000037">
                <pb pagenum="272"/>
              </s>
            </p>
          </chap>
          <chap n="2">
            <p n="1">
              <s id="id.000038">Τοσαῦτα μὲν οὖν περὶ τοῦ Βαρουλκοῦ, τῶν δὲ
                <lb n="1"/>
              προειρημένων ε# δυνάμεων ἐκ τῶν Ἥρωνος τὴν ἔκ­
                <lb n="2"/>
              θεσιν ἐπιτομώτερον ποιησόμεθα πρὸς ὑπόμνησιν τῶν
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              φιλομαθούντων προσθέντες ἔτι καὶ [2τὰ]2 περὶ τῆς
                <lb n="4"/>
              μονοκώλου καὶ δικώλου καὶ τρικώλου καὶ τετρακώλου
                <lb n="5"/>
              μηχανῆς ἀναγκαίως λεγόμενα, μή ποτε καὶ τῶν βιβλίων
                <lb n="6"/>
              ἐν οἷς ταῦτα γέγραπται ἀπορία γένηται τῷ ζητοῦντι.
                <lb n="7"/>
              </s>
              <s id="id.000039">καὶ γὰρ ἡμεῖς κατὰ πολλὰ μέρη διεφθαρμένοις ἐνε­
                <lb n="8"/>
              τύχομεν ἀνάρχοις τε καὶ ἀτελέσι βιβλίοις.
                <lb n="9"/>
              </s>
              <s id="id.000040">Πέντε τοίνυν οὐσῶν δυνάμεων δι' ὧν τὸ δοθὲν
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              βάρος τῇ δοθείσῃ βίᾳ κινεῖται, ἀναγκαῖόν ἐστιν τά τε
                <lb n="11"/>
              σχήματα αὐτῶν καὶ τὰς χρείας, ἔτι δὲ καὶ τὰ ὀνόματα
                <lb n="12"/>
              ἐκθέσθαι. </s>
              <s id="id.000041">ἀποδέδοται δὲ ὑπὸ τοῦ Ἥρωνος καὶ Φί­
                <lb n="13"/>
              λωνος καὶ διότι αἱ προειρημέναι δυνάμεις εἰς μίαν
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              ἄγονται φύσιν, καίτοι παρὰ πολὺ διαλλάσσουσαι τοῖς
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              σχήμασιν. </s>
              <s id="id.000042">ὀνόματα μὲν οὖν ἐστιν τάδε· ἄξων ἐν περι­
                <lb n="16"/>
              τροχίῳ, μοχλός, πολύσπαστον, σφὴν καὶ πρὸς τούτοις
                <lb n="17"/>
              ὁ καλούμενος ἄπειρος κοχλίας.
                <lb n="18"/>
              </s>
              <s id="id.000043">Ὁ μὲν οὖν ἄξων ὁ ἐν τῷ περιτροχίῳ κατασκευά­
                <lb n="19"/>
              ζεται οὕτως. </s>
              <s id="id.000044">ξύλον δεῖ λαβεῖν εὔτονον τετράγωνον
                <lb n="20"/>
              καθάπερ δοκίδα καὶ τούτου τὰ ἄκρα σιμώσαντα στρογ­
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              γύλα ποιῆσαι καὶ χοινικίδας περιθεῖναι χαλκᾶς συνα­
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              ραρυίας τῷ ἄξονι, ὥστε ἐμβληθείσας αὐτὰς εἰς τρή­
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              ματα στρογγύλα ἐν ἀκινήτῳ τινὶ πήγματι εὐλύτως
                <lb n="24"/>
              στρέφεσθαι, τῶν τρημάτων τριβεῖς χαλκοῦς ἐχόντων </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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