Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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              <s id="N15B71">COMMENTARIVS.</s>
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              <s id="N15B77">Præſens quæſtio circa ſimile admodum inſtrumentum
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              verſatur, ac præcedens, quamuis ad diuerſum om­
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              nino effectum natura ſua ordinatum. </s>
              <s id="N15B7E">Quærit enim
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              Philoſophus quo fiat, vt nuces abſque ictu, facilè inſtru­
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              mento ad id opus fabrefacto, confringantur: quod ſanè in­
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              ſtrumentum forcipi ſimillimum, & ex ligneis regulis com­
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              pactum ipſe videtur ſupponere. </s>
              <s id="N15B89">Eamque mox rationem
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              dubitandi affert; quia abſque ictu ac violenta aliqua per­
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              cuſſione, remiſſius abſolutè quam cum illa corpus compri­
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              mitur; impetus namque ictus aut percuſſionis vires maxi­
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              mè auget in ipſamet motione, ad comprimendum acrius
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              quod percutitur, vt hactenus explicuimus. </s>
              <s id="N15B96">Quare non tam
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              facilè præfato
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              abſque ictu nuces confringi poſſe
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              viderentur, ſicut cum malleo adacto impetu confringuntur.
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              <s id="N15BA2">Id quod præterea ex eo confirmat, quia graui ac duro in­
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              ſtrumento, vt eſt ferreus malleus, citius, conſentaneum eſt,
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              fieri confractionem quàm ligneo ac leui, quale hoc de quo
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              agimus in præſenti ſupponitur. </s>
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              <s id="N15BAD">Attamen ipſe Philoſophus huiuſmodi difficultatem ac
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              dubitationem ex eodem principio, quo præcedentem quæ­
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              ſtionem ſoluerat, aptiſſimè ac breuiſſimè diluit, inquiens,
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              explicatum inſtrumentum duobus brachijs tanquam duo­
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              bus vectibus contrarijs, ad ſeſe inuicem conuerſis conſtare,
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              vnico fulcimento innixis, quod eſt vtriuſque connexio ac
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              veluti axis: duorum autem vectium compreſſione, vt potè
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              qui magnam vim habeant comprimendi, æquè facile nuces
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              amygdalas, vel id genus alia confringi, ac ictu vel percuſſio­
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              ne cum impetu. </s>
              <s id="N15BC2">Quod vt ad oculos etiam pateat, conſti­
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              tuatur primo inſtrumentum ABCD, cuius brachia ſint AD
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              & CB ſuffulta in connexione vtriuſque vbi E. </s>
              <s id="N15BCA">Nux verò
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                <expan abbr="confringẽda">confringenda</expan>
              locetur inter A & C vbi F, nempe inter extre­
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              ma brachiorum ea parte qua minus diſtant à fulcimento.
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              <s id="N15BD5">Potentia verò confringentis applicetur in extremis eorun­
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              dem brachiorum ea parte, qua magis diſtant a fulcimento, </s>
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