Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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              ſpoſitionem materiæ, vt ſi grauior, aut leuior; denſior, aut
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              rarior; fortior, aut imbecillior in ſe ſit. </s>
              <s id="N14E90">Nam frequenter ex
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              ijs pendet, vt nonnulla corpora plus facilitatis ad ſe incli­
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              nandum acquirant ex maiori longitudine, quàm difficulta­
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              tis ex maiori craſſitie: Alia verò contra. </s>
              <s id="N14E99">Deinde ſpectan­
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              dam eſſe ipſam eandem proportionem craſſitiei ad longitu­
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              dinem conſiderando quænam illa ſit. </s>
              <s id="N14EA0">Etenim quamuis con­
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              ſtituatur eadem proportio, in vno atque in altero, non ta­
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              men omnis proportio eundem effectum in illis producit.
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              </s>
              <s id="N14EA8">Eadem namque eſt proportio craſſitiei vnius digiti ad lon­
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              gitudinem vnius cubiti atque quinquaginta digitorum ad
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              quinquaginta cubitorum: & tamen virga ferrea, aut lignea
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              ſi digitalis craſſitiei fuerit
                <expan abbr="longitudinisq.">longitudinisque</expan>
              vnius cubiti, non
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              tam facilè ſuo pondere flectetur, ac lignum, vel ferrum
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              quinquaginta digitorum craſsitiei,
                <expan abbr="totidemq.">totidemque</expan>
              cubitorum
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              longitudinis. </s>
              <s id="N14EBF">Quod ſi vnius palmæ fuerit craſsitudo, longi­
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              tudo verò vnius cubiti nihil difficilius videretur inflecti,
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              quam ſi duarum palmarum conſtitueretur craſsitudo in
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              longitudine bicubita. </s>
              <s id="N14EC8">Ad hæc proportio, quæ auget facili­
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              tatem, aut difficultatem inflexionis in vna ſpecie ligni, non
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              auget in alia ſicut non æquè in ligno, ac ferro plumbo, aut
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              calibe. </s>
              <s id="N14ED1">Quare nihil determinari poteſt quo ad hoc niſi per­
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              ſpecta, vt diximus diſpoſitione materiæ,
                <expan abbr="variaq.">variaque</expan>
              proportio­
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              ne, quæ diuerſimodè iuxta maiorem, aut minorem corpo­
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              rum magnitudinem operatur. </s>
            </p>
            <p id="N14EDE" type="main">
              <s id="N14EE0">Denique vt dictum eſt de eleuatione, ac ſuſpenſione li­
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              gni, vel alterius corporis oblongi ſumpti ab altera tantum
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              extremitate, vt exemplificauimus in ſariſſa, idem dicendum
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              eſt de eleuatione, ac ſuſpenſione, quæ fit, vel ex ambabus
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              extremitatibus; vel ex medio inter illas: Nam ſi vtrinque ab
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              extremitatibus ſuſpendatur aliquod lignum ad paralellum
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              horizonti, duo quidem in illo vectes fient in ipſis extremita­
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              tibus fulti,
                <expan abbr="ponderaq">ponderaque</expan>
              in communi puncto intermedio gra­
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              uitabunt tanquam in remotiſsimo ſitu ab vtriuſque fultura.
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              </s>
              <s id="N14EF4">Quapropter ibidem fiet vtriuſque vectis, ſeu totius ligni in­
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              flexio, ſuppoſita vt diximus flexibilitate materiæ,
                <expan abbr="ipſaq.">ipſaque</expan>
              ce-</s>
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          </chap>
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