Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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            <p id="N1514A" type="main">
              <s id="N1514C">
                <pb pagenum="172" xlink:href="005/01/180.jpg"/>
              occurrit,
                <expan abbr="Ariſtotelẽ">Ariſtotelem</expan>
              hic non agere niſi de trochlea, quæ vni­
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              cam, ac ſimplicem rotulam contineat, quam pariter eodem
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              nomine trochleam appellat, ac diſtinguit à tigno, ſeu ligno,
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              quod illam tanquam conceptaculum quoddam, aut capſu­
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              la inſertam continet; cum re vera communi acceptione
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              trochlea, vt diximus vtrumque ſimul ſignificet, nempe, &
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              rotulam inditam ſiue orbiculum, & capſulam continentem.
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              </s>
              <s id="N1516F">Nec audiendus eſt Piccolomineus dum ait tigna hic apud
                <lb/>
                <expan abbr="Ariſtotelẽ">Ariſtotelem</expan>
              , non ſignificare ligna prædicta, ſeu thecas ligneas,
                <lb/>
              rotulas continentes, ſed trabes ad ſe inuicem iunctas, qui­
                <lb/>
              bus trochleæ cum pondere ſuſtinentur. </s>
              <s id="N1517B">Quandoquidem ſi
                <lb/>
              hoc eſſet, Philoſophus
                <expan abbr="nõ">non</expan>
              dixiſſet, alterum extremum funis
                <lb/>
              ductarij, altero
                <expan abbr="tignorũ">tignorum</expan>
              appendi. </s>
              <s id="N1518A">Cum certum ſit, funem du­
                <lb/>
              ctarium nullo modo ad trabem aliquam appendi, ſed ad ip­
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              ſum extremum trochleæ ſuperioris, ſeu ligni, quod rotulam
                <lb/>
              tegit, ac per axiculum regit, vt ſtatim patebit. </s>
              <s id="N15193">Præterea vbi
                <lb/>
              leonicus vertit in tignis duobus ad ſe inuicem iunctis, Græ­
                <lb/>
              cus textus habet
                <foreign lang="grc">
                  <gap/>
                π̀ δυσὶ ξύλοις συμβάλλουσιν ἑαυτοῑς ἐναντίως</foreign>
              ,
                <lb/>
              hoc eſt in duobus lignis concurrentibus ad inuicem ex op­
                <lb/>
              poſito, quod propriè deſignat ipſam ſituationem capſula­
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              rum rotulas continentium, ſeu trochlearum, quæ ex oppo­
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              ſito ſe debent reſpicere, & quaſi ad inuicem currere. </s>
            </p>
            <p id="N151A7" type="main">
              <s id="N151A9">His ergo præmiſſis ad
                <expan abbr="nominũ">nominum</expan>
              dilucidationem, quæritur
                <lb/>
              hic ab Ariſtotele, qua de cauſa
                <expan abbr="cõtingat">contingat</expan>
              , vt ſi quis duas tro­
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              chleas ad
                <expan abbr="inuicẽ">inuicem</expan>
              ex oppoſito componat, & fune ad
                <expan abbr="eorũ">eorum</expan>
              ro­
                <lb/>
              tulas circumducto, alterum eius caput alteri trochleæ, ſeu
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              ligno rotulam continenti appendat, alterum verò manu tra­
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              hat, magna eleuet pondera, quamuis imbecilla ſit virtus tra­
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              hentis. </s>
              <s id="N151C8">
                <expan abbr="Cauſamq.">Cauſamque</expan>
              mox reddit; quia nimirum facilius vel po­
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              tius vectis adiumento quàm ſola manu, mouentur pondera
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              à minori potentia; rotula verò in trochlea vectis vicem obti­
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              net, ſeu vectis habet virtutem. </s>
              <s id="N151D4">Cumque in trochleis prædi­
                <lb/>
              cto modo applicatis, non tantum vna, ſed duæ ſaltem rotu­
                <lb/>
              læ tanquam totidem vectes adhibeantur, mirum non eſt ſi
                <lb/>
                <expan abbr="earũ">earum</expan>
              beneficio, celerius, ac facilius,
                <expan abbr="maioraq.">maioraque</expan>
              leuentur pon­
                <lb/>
              dera quàm ſit virtus
                <expan abbr="trahẽtis">trahentis</expan>
              . </s>
              <s id="N151EA">Imò ſi vnius rotulæ adiumen-</s>
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          </chap>
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