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

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              in noſtro caſu accidit) aqua ſubingredi inter duas
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              ſuperficies ligni, & fundi vaſis non poteſt ob exqui­
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              ſitum contactum, & congruentiam, tunc non ſequi­
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              tur effectus aſcenſus eiuſdem ligni, veluti in bilance
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              pondus centum librarum non ſubleuabit contrapoſi­
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              tum pondus vnciale quotieſcumque illud impeditur,
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              vt ne queat deorsùm deprimi, igitur vera cauſa
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                ſus</expan>
              ligni in aqua eſt extruſio facta à medio fluido,
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              autem leuitas poſitiua in ligno inexiſtens. </s>
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem non
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              dari. </s>
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              <s id="s.000867">Porrò hoc experti ſumus in Academia Experimen­
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              tali Medicea. </s>
              <s id="s.000868">Poſuimus pilam li­
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              gneam G in fundo vaſis ABCD,
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              quæ tangebat
                <expan abbr="orificiũ">orificium</expan>
              EF conca­
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              uitatis he miſphæricæ EIF in fun­
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              do vaſis excauatæ, poſteà reple­
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              uimus vas hydrargyro vſque ad
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              ſummitatem AD, nec tamen li­
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              gnea pila G fundum reliquit a­
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              ſcendendo ſursùm; &
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              ,
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              quòd prædicta pila non arctè orificio vaſis adhære­
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              bat, & colligabatur, ſed potiùs facillimè digitis di­
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              moueri contorquerique poterat, vnde conijcitur,
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              quàm debili nexu fundum, aut orificium acumi­
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              natum EF
                <expan abbr="tãgebat">tangebat</expan>
              . </s>
              <s id="s.000869">quia poſte à inſignis Peripateticus
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              ſuſpicabatur, quòd præcipua cauſa detinens
                <expan abbr="ligneã">ligneam</expan>
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              pilam demerſam infra hydrargyrum in fundo vaſis
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              erat timor, & abominium vacui, quod effici debuiſ­
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              ſet in illo ſpatio quotieſcumque pila ſursùm aſcen­
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              deret; proptereà, vt petijt prædictus Philoſophus </s>
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