Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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              vectis, ita vt idem lignum AB rationem ſubeat vtriuſque
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              vectis, vnius nempe per quem geſtans in A prematur ad
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              motum geſtantis in B: alterius verò per quem geſtans in
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              B, prematur ad motum geſtantis in A, eodem ſemper exi­
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              ſtente fulcimento D. </s>
              <s id="N17086">Siquidem ambo geſtantes eleuare
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              conantur ſua extrema, & ambo deprimuntur adinuicem,
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              ita vt alter alteri conſtituatur onus, ac mouens potentia; li­
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              cet ille magis moueat, minuſque grauetur, qui longius diſtat
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              à fulcimento. </s>
              <s id="N17091">Quæ profectò explicatio à mente Ariſtotelise
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              tradita doctrina non abhorret, imò maximè congruit cum
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              eo, quod ipſemet Philoſophus tandem adiecit: Nimirum
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              quòd ſi pondus in medio vectis conſtitueretur, non magis
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              vnus, quam alter baiulus grauaretur; atque moueret; ſed
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              eodem pacto alter alteri eſſet onus, & potentia. </s>
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              <s id="N170A0">Baldus verò eandem Piccolominei expoſitionem appro­
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              bando doctrinam Ariſtotelis à qua illa deſumpta eſt, & cui
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              omnino congruit, reprobat, rationem fulcimenti in ipſo
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              pondere conſideratam,
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              vocans Ariſtotelis. </s>
              <s id="N170AE">Qua­
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              propter geſtatum pondus, ait verè eſſe pondus, lignum ve­
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              rò vectem, ac duos qui pondus ſuſtinent in ipſius ligni ex­
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              tremi pro duplici fulcimento haberi. </s>
              <s id="N170B7">Non tamen apparet
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              quo fundamento lignum prædictum, vectis dici poſſit, ſi
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              duobus fulcimentis ponatur innixum; cum tota ratio vectis
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              ad libram, ac circulum referatur, quibus non niſi vnum eſſe
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              poteſt centrum ac fulcimentum circa quod conuertantur.
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              <s id="N170C3">Rectè autem ſubiungit poſſe alterum eorum, ſcilicet aſpor­
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              tantium pro potentia mouente, alterum pro fulcimento ha­
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              beri, & ſic viciſsim, ita vt pondus ſit inter
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              , & po­
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              tentiam. </s>
              <s id="N170D0">Nam hoc pacto præfatum lignum conſtitueretur
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              vectis eius generis, quod fulturam habet in altero extremo,
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              vt 1. par. </s>
              <s id="N170D7">tex. vltimo, Addit. </s>
              <s id="N170DC">1. explicuimus. </s>
              <s id="N170DF">Nihil enim pro­
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              hibet idem lignum ſecundum diuerſas conſiderationes
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              adhuc in diuerſo genere vectis conſtitui. </s>
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              <s id="N170E8">Ad hæc idem Baldus affines quaſdam huic dubitationes,
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                <expan abbr="eanumq.">eanumque</expan>
              ſolutiones ſubnectit, quarum illa præcipuè ad rem
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              facit; Num ſcilicet pondere in vectis medio conſtituto, </s>
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