Vitruvius, Vitrvvivs Itervm Et Frontinvs À Iocvndo Revisi Repvrgatiqve Qvantvm Ex Collatione Licvit, 1513

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          <figure number="126">
            <description style="it" xml:space="preserve">a. hypo-
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            moclion.
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            b. uectis
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            c. onus</description>
            <variables xml:space="preserve">a b c</variables>
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          <p style="it">
            <s xml:space="preserve">De porrecto & </s>
            <s xml:space="preserve">rotundatione machinarum ad onerũ
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            leuationes.</s>
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          <head xml:space="preserve">Caput. VIII.</head>
          <p style="it">
            <s xml:space="preserve">D E tractoriis ratiõibus, quæ neceſſaria pu
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            tauibreuiter expoſui, quorum motus & </s>
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              <lb/>
            uirtutes duæres diuerſæ & </s>
            <s xml:space="preserve">inter ſe diſſi-
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            miles, uti congruentes, ita principia pariunt ad du-
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            os ꝑſectus, unũporrecti, quẽ græci ευ’θũαύ uocitãt,
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            alterum rotũditatis, quã κυκλωΤἨν appellant, ſed
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            uereneq́ ſine rotundatione motus porrecti, nec ſine
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            porrecto rotationis uerſationes, onerũ poſſunt face-
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            re leuationes. </s>
            <s xml:space="preserve">Id aũt ut intelligatur exponã. </s>
            <s xml:space="preserve">Inducun
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            tur uti centra axiculi in or biculos, & </s>
            <s xml:space="preserve">in trocleis collo-
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            cantur, per quos orbiculos funis circũactus directis
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            ductionibus, & </s>
            <s xml:space="preserve">in ſucula collocatus uectium </s>
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