Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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              tanquam in manubrijs,
                <expan abbr="nimirũ">nimirum</expan>
              in BD. </s>
              <s id="N15BEA">Conſideretur dein­
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              de vtrum que brachium tanquam duplicem vectem moueri
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              circa immotum fulcimentum E; ita vt ad motum B verſus
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              D, alterum extremum nempe C appropinquetur ad A; & è
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              conuerſo, ad motum D verſus B, ipſum A appropinquetur
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              ad C. </s>
              <s id="N15BF8">Tunc dicimus nucem, quę quidem tanquam pondus
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              ab vtroque extremo duplicis vectis AC pellitur ac repelli­
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              tur, facilè comprimi, ac tandem nimia compreſſione con­
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              fringi, ſiquidem dum magis ac magis ipſa extrema AC ad
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              inuicem appropinquantur, neceſſariò quæ inter ipſa interci­
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              pitur, nucem comprimunt, & comprimendo confringunt. </s>
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              <s id="N15C07">Addit autem primò Ariſtoteles, quo
                <expan abbr="lõgiora">longiora</expan>
              fuerint bra­
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              chia huius inſtrumenti à connexione ipſorum ſeu
                <expan abbr="fulcimẽto">fulcimento</expan>
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              ad extrema, quibus applicatur potentia: & ex alia parte, quo
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              breuiora eadem brachia fuerint à conexione ſeu
                <expan abbr="fulcimẽto">fulcimento</expan>
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              ad nucem, eo facilius confractionem fieri; ac proinde à mi­
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              nori potentia, ita vt id ipſum quod cum percuſſione feciſſet
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              pondus, præſtetur à binis explicatis vectibus in contrarium
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              ſeſe conantibus, & comprimentibus ipſam nucem; cuius
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              reſiſtentia gerit vicem ponderis. </s>
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              <s id="N15C28">Secundo verò addit Ariſtoteles, eò
                <expan abbr="maiorẽ">maiorem</expan>
              fieri vectium
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              ſeu brachiorum dilatationem,
                <expan abbr="quõ">quom</expan>
              propinquius fulcimento,
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              ſeu angulo connexionis eorum nux confringenda conſtitua­
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              tur, quia nimirum vterque angulus ad verticem ab illis
                <expan abbr="cõ-ſtitutus">con­
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                ſtitutus</expan>
              , per talem appropinquationem dilatatur (nempe
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              AEC. & BED.) & cum angulo ipſa quoque brachia, quæ
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              angulum conſtituunt, ita vt magis tunc diſtare oporteat in­
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              ter ſe extrema AC, ſicut & DB,
                <expan abbr="cũ">cum</expan>
              maius ſit latus, quod ſub </s>
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