Vitruvius, L. Victrvvii Pollionis ad Cesarem Avgvstvm De architectvra, 1490

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            habens in medium timpanum amplum quod nonnulli rotam ap
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            pellant. </s>
            <s xml:id="echoid-s7914" xml:space="preserve">græci autem amphreſen Alii Peritrochium uel Periterum
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            uocant. </s>
            <s xml:id="echoid-s7915" xml:space="preserve">In his autem machinis Troclee non eodem ſed alio modo
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            comparantur. </s>
            <s xml:id="echoid-s7916" xml:space="preserve">Habent enim & </s>
            <s xml:id="echoid-s7917" xml:space="preserve">in imo & </s>
            <s xml:id="echoid-s7918" xml:space="preserve">in ſummo duplices ordi
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            nes orbiculorum ita funis ductarius traiicitur in inferioris troclee
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            foramen uti æqualia duo capita ſint, funis cum erit extenſus ibi
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            ſecundum inferiorem trocleam reſticula circundata & </s>
            <s xml:id="echoid-s7919" xml:space="preserve">contenta u/
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            tre partes funis continent{ur} ut ne in ſiniſtram partem poſſint ꝓ
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            dire. </s>
            <s xml:id="echoid-s7920" xml:space="preserve">Deinde capita funis reſeruntur in ſumma troclea ab exterior@
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            parte & </s>
            <s xml:id="echoid-s7921" xml:space="preserve">deiiciuntur circa orbiculos imos & </s>
            <s xml:id="echoid-s7922" xml:space="preserve">redeunt ad imum con
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            iiciuntur in finem troclee ad orbiculos exteriori parte & </s>
            <s xml:id="echoid-s7923" xml:space="preserve">reſerunt
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            dextra ſiniſtra ad caput circa orbiculos ſummos redeunt. </s>
            <s xml:id="echoid-s7924" xml:space="preserve">Traiecti
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            autem ab exteriori parte referuntur dextra: </s>
            <s xml:id="echoid-s7925" xml:space="preserve">ſiniſtra timpanum in
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            axe. </s>
            <s xml:id="echoid-s7926" xml:space="preserve">i
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            bi ut hereant colligantur. </s>
            <s xml:id="echoid-s7927" xml:space="preserve">Tum autem circa timpanum in
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            uolut
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            us alter funis referturiad ergatam & </s>
            <s xml:id="echoid-s7928" xml:space="preserve">hiis circumactus timpa
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            num & </s>
            <s xml:id="echoid-s7929" xml:space="preserve">axem ſe inuoluendo pariter extendunt & </s>
            <s xml:id="echoid-s7930" xml:space="preserve">ita leuiter
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            leuant,
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            onera ſine periculo. </s>
            <s xml:id="echoid-s7931" xml:space="preserve">Quod ſi maius timpanum collocatum aut in
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            medio aut in ima parte extrema fuerit ſine ergata calcances homi
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            nes expeditiores habere poterit operis effectus.</s>
            <s xml:id="echoid-s7932" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7933" xml:space="preserve">Aliud machine tractoriegenus.</s>
            <s xml:id="echoid-s7934" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s7935" xml:space="preserve"># Stautem aliud genus machine ſatis artificioſum & </s>
            <s xml:id="echoid-s7936" xml:space="preserve">ad
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            E # u
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            ſum celeritatis expeditum ſed in eo dare operam non
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            # poſſunt niſi periti@ Eſt enim tignum quod erigitur & </s>
            <s xml:id="echoid-s7937" xml:space="preserve">di
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            ſtenditur retinaculis quadriſ@riam. </s>
            <s xml:id="echoid-s7938" xml:space="preserve">Sub retinaculo celonia duo fi
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            guntur Troclea funis ſupra celonia religatur. </s>
            <s xml:id="echoid-s7939" xml:space="preserve">Sub Troclea Regu
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            la long@ circicer pedes duos Lata digitos ſex craſſa quatu or ſuppo
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            nitur. </s>
            <s xml:id="echoid-s7940" xml:space="preserve">Troclee ternos ordines orbiculorum in latitudinem haben
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            tes collocantur@ita tres ductarii funes in machina religantur: </s>
            <s xml:id="echoid-s7941" xml:space="preserve">De
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            inde. </s>
            <s xml:id="echoid-s7942" xml:space="preserve">eferuntur ad imam trocleam & </s>
            <s xml:id="echoid-s7943" xml:space="preserve">traiiciuntur ex interiore par
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            te per eius orbiculos ſummos. </s>
            <s xml:id="echoid-s7944" xml:space="preserve">Deinde referuntur ad. </s>
            <s xml:id="echoid-s7945" xml:space="preserve">ſuperiorem
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            trocleam & </s>
            <s xml:id="echoid-s7946" xml:space="preserve">traiiciuntur ab exteriore parte in interioiem per orbi
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            culos imos. </s>
            <s xml:id="echoid-s7947" xml:space="preserve">Cum deſcenderint ad imum exteriori parte & </s>
            <s xml:id="echoid-s7948" xml:space="preserve">per ſecũ
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            dos orbiculos traducuntur in extremum & </s>
            <s xml:id="echoid-s7949" xml:space="preserve">referuntur ad ſummũ
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            ad orbiculos ſecundos traiecti redeunt ad imum & </s>
            <s xml:id="echoid-s7950" xml:space="preserve">primo </s>
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