Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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              <s id="s.002650">
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              naturalis grauitas exigebat, tunc amoto bacillo ca­
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              lamus directè, & perpendicularitèr horizonti aſcen­
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              dendo extra aquam proſilijt; notaui ergo
                <expan abbr="altitudinẽ">altitudinem</expan>
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              ſaltus, poſtea profundiùs calamum infra a quam de­
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              preſſi, & notaui, remoto bacillo, ſemper
                <expan abbr="prolixiorẽ">prolixiorem</expan>
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              ſaltum ſupra aquam calamum effeciſſe, prout à maio­
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              ri profunditate eius aſcenſus initium ſumebat; modò
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              quia non alia de cauſa calamus ſupra aquam poſilie­
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              bat, quam ob impetum acquiſitum ab ipſo in aſcen­
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              ſu per aquæ profunditatem, patet quod ſaltus altior
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              produci debuit à vehementiori velocitate eiuſdem
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              calami acquiſita in eius aſcenſu prolixiori. </s>
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              <s id="s.002651">
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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              De Vacui Necesſitate.
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              CAP. XII.
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              <s id="s.002654">PRæclarè mihi Ariſtoteles dixiſſe videtur,
                <expan abbr="Phyſicũ">Phyſicum</expan>
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              de vacuo agere debere, quia nempè nè
                <expan abbr="">dum</expan>
              ſcitu
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              iucundum eſt, an detur, & quomodo, & quid ſit va­
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              cuum, ſed etiam vtilis eſt huiuſmodi cognitio, vt in­
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              telligantur innumeræ naturales operationes, & vt
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              percipiatur quomodo fiant motus nedùm quos in va­
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              cuo fieri poſſe ſuppoſuimus, ſed etiam eos, qui iņ
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              fluido fiunt. </s>
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              <s id="s.002655">Vt verò methodicè procedamus, primò
                <expan abbr="declaran-dũ">declaran­
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                dum</expan>
              eſt, quid nomine vacui, & inanis intelligamus, ſe­
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              cundò quot modis vſurpari, & concedi poſſit, tertiò
                <lb/>
              examinabimus ratiocinia, & argumenta eorum, qui
                <lb/>
              vacuum è rerum natura omninò tollunt, & randem̨
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              propriam
                <expan abbr="ſententiã">ſententiam</expan>
              pro viribus confirmare nitemur. </s>
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