Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670
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              perforauimus fundum vaſis IH, vt nimirùm è partę
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              ſubiecta aer ſuccedere poſſet ad replendum
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              ,
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              & ſic leuitas poſitiua ligni G abſque vacui periculo
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              commodè ſursùm aſcendere poſſet; hac præparatione
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              facta, illa lignea pila fundum non dereliquit, nec ſur­
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              sùm aſcendit; nec paritèr aſcendit poſtquam
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              H occluſum denuò fuit, & cauitas ſubiecta EIF, &
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              ſuprema AED repleta hydrargyro fuit. </s>
              <s id="s.000870">Vnde dedu­
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              cere poſſumus pilam non à poſitiua leuitate eleuari,
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              ſed potiùs ab expreſſione ambientis fluidi quotieſ­
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              cumque excurrere poteſt abſque impedimento in­
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              fra ſuperficiem eiuſdem pilæ. </s>
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
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              <s id="s.000872">Perpendamus tandem poſtrema verba eiuſdem̨
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              Authoris, qui ait:
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              Sed quid dicent aduerſarij, ſi in fundo
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              vaſis eſſet foramen amplum, anguſtius tamen cylindro, &
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              occluſum, quod eodem momento aperiretur quo manus eleuat
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              virgam? </s>
              <s id="s.000873">certè enim aqua efflueret deorsùm, & tamen cy­
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              lindraceum lignum illud tenderet ſursùm. </s>
              <s id="s.000874">Agnoſcant ergò
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              in ligno illo leuitatem aliquam, quæ impetum producendo
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              ſursùm versùs priùs natura mouet, ac pellit
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              , & cau­
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              ſaest vt aqua corpus fluidum it a illi cedat, vt ſubintret in
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              illius locum, ne detur vacuum, eamque non exercere gra­
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              uitatem actu, ſed ſuperiores quidem aquæ partes impelli à
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              cylindro ligneo, & cedere illi locum digrediendo ad latera,
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              vt locum illarum partium impleant, quæ infernè
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              in locum cylindri.
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              <s id="s.000875"> Et hic nil aliud reſpondere poſſum̨
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              niſi mirari confidentiam, ſecuritatemque qua aſſeri­
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              tur experientia non ſicuti reuera ſe habet, vtque à
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              quolibet comprobari poteſt, ſed veluti præiudica­
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              ta opinio eis perſuaſerat. </s>
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