Vitruvius, Marci Vitruvii Pollionis De architectura libri decem : ope codicis Guelferbytani, editionis principis, ceterorumque subsidiorum recensuit, et glossario in quo vocabula artis propria Germ. Ital. Gall. et Angl. explicantur, 1800

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        <div xml:id="echoid-div203" type="section" level="1" n="109">
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              <pb o="233" file="0257" n="257" rhead="LIBER X. CAPUT IV."/>
            et reſeruntur dextra ac ſiniſtra ad caput ſummae trochleae , circa or- biculos ſummos. </s>
            <s xml:id="echoid-s4060" xml:space="preserve">Trajecti autem ab exteriori parte reſeruntur dextra ac
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            ſiniſtra tympanum in axe, ibique ut haereant colligantur. </s>
            <s xml:id="echoid-s4061" xml:space="preserve">Tum autem
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            circa tympanum involutus alter ſunis reſertur ad ergatam (R): </s>
            <s xml:id="echoid-s4062" xml:space="preserve">et is cir-
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            cumactum tympanum et axem involvendo, funes qui in axe religati ſunt
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            pariter ſe extendunt, et ita leniter levant onera ſine periculo. </s>
            <s xml:id="echoid-s4063" xml:space="preserve">Quodſi
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            majus tympanum, collocatum aut in medio, aut in una parte extrema,
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            habuerit ſine ergata calcantes homines, expeditiores habere poterit operis
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            eſfectus.</s>
            <s xml:id="echoid-s4064" xml:space="preserve"/>
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        <div xml:id="echoid-div205" type="section" level="1" n="110">
          <head xml:id="echoid-head115" style="it" xml:space="preserve">CAPUT V.
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          Aliud machinae tractoriae genus, Polyſpaſtos.</head>
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            <s xml:id="echoid-s4065" xml:space="preserve">Eſt autem aliud genus machinae ſatis artiſicioſum et ad uſum celeritatis
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            expeditum; </s>
            <s xml:id="echoid-s4066" xml:space="preserve">ſed in eo dare operam non poſſunt niſi periti. </s>
            <s xml:id="echoid-s4067" xml:space="preserve">Eſt enim ti-
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            gnum (a), quod erigitur et diſtinetur retinaculis (b) quadrifariam: </s>
            <s xml:id="echoid-s4068" xml:space="preserve">ſub retinaculis chelonia (e) duo ſiguntur, trochlea funibus ſupra chelonia re-
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            ligatur. </s>
            <s xml:id="echoid-s4069" xml:space="preserve">Sub trochlea regula (d) longa circiter pedes duos, lata digitos
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            ſex, craſſa quatuor, ſupponitur. </s>
            <s xml:id="echoid-s4070" xml:space="preserve">Trochleae (e e) ternos ordines orbiculo-
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            rum in latitudinem habentes collocantur: </s>
            <s xml:id="echoid-s4071" xml:space="preserve">ita tres ductarii funes in ſum-
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            mo machinae religantur. </s>
            <s xml:id="echoid-s4072" xml:space="preserve">Deinde referuntur ad imam trochleam, et tra-
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            jiciuntur ex interiore parte per ejus orbiculos ſummos. </s>
            <s xml:id="echoid-s4073" xml:space="preserve">Deinde referun-
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            tur ad ſuperiorem trochleam, et trajiciuntur a dexteriore parte in inte-
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            riorem per orbiculos imos. </s>
            <s xml:id="echoid-s4074" xml:space="preserve">Cum deſcenderint ad imum, ex interiore
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            parte, et per ſecundos orbiculos tradueuntur in exteriorem , et
              <note symbol="3)" position="foot" xlink:label="note-0257-01" xlink:href="note-0257-01a" xml:space="preserve">Summae trochleae non leguntur in Codic. Guelf. et Fran. nec in E. S. At mox; eirca
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              orbiculos ſnmmos redeunt.</note>
              <note symbol="1)" position="foot" xlink:label="note-0257-02" xlink:href="note-0257-02a" xml:space="preserve">Cod. G. et Fr. et E. S. diſtenditur.</note>
              <note symbol="2)" position="foot" xlink:label="note-0257-03" xlink:href="note-0257-03a" xml:space="preserve">Cod. G. et F. extremum.</note>
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