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

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            <p type="main">
              <s id="s.001725">
                <pb pagenum="327" xlink:href="010/01/335.jpg"/>
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                <lb/>
              non autem in
                <expan abbr="grãdioribus">grandioribus</expan>
              ; conſtat enim experientia
                <lb/>
              aquam, & cætera fluida naturam quamdam glutino­
                <lb/>
              ſam, & viſcoſam habere, quod quidem euincitur ex
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              eo quod guttæ fluidæ ſuſpenſæ pendent è ſupremis
                <lb/>
              ramis arborum, & ſi quis velit particulam eiuſdem
                <lb/>
              guttæ à reliqua eius maſſa diuellere, perſentiet reſi­
                <lb/>
              ſtentiam aliquam, & ceſſante vi externa denuò gutta
                <lb/>
              ſponte recolligitur; quòd verò prædicta operatio
                <lb/>
              pendeat à glutine, conſtat ex eo, quòd ſi aquæ puriſ­
                <lb/>
              ſimæ addatur miſceaturque ſuccus, vel maſſa aliqua
                <lb/>
              glutinoſa, & viſcoſa, tunc quidem guttulæ penden­
                <lb/>
              tes ampliores fiunt, in fila tenuiſſima ſatis longa ex­
                <lb/>
              tenduntur, atque in membranas graciliſſimas attenu­
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                <arrow.to.target n="marg445"/>
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              antur quoties inſufflato aere efficiuntur bullæ
                <expan abbr="ingẽ-tes">ingen­
                  <lb/>
                tes</expan>
              , quas pueri efformare ſolent. </s>
              <s id="s.001726">Sic videmus
                <expan abbr="ſaliuã">ſaliuam</expan>
                <lb/>
              viſcoſam, vel aquam cum albugine oui, vel ſaponi
                <lb/>
              admixtam extendi in tenuiſſima fila, & denuò recol­
                <lb/>
              ligi, qui effectus procùl dubio illi viſcoſitati admix­
                <lb/>
              tæ tribui debet. </s>
              <s id="s.001727">Si igitur tam inſignis effectus pro­
                <lb/>
              ducitur à grandi copia glutinis, vel humor is viſcoſi,
                <lb/>
              quis dubitabit eumdem effectum quando eſt minùs
                <lb/>
              inſignis productum fuiſſe à minori copia eiuſdem̨
                <lb/>
              glutinis, & viſcoſi humoris? </s>
              <s id="s.001728">Sed nemo ferè dubitat
                <lb/>
              in aqua, & in reliquis fluidis viſcoſitatem, aut quid
                <lb/>
              analogum glutini in exiſtere, dubitatur ſolummodò
                <lb/>
              de cauſa prædicti glutinis, cùm hæc poſſit eſſe exter­
                <lb/>
              na, & interna, duo enim corpora vniri poſſunt, & re­
                <lb/>
              ſiſtere ſeparationi, cùm à cauſa externa impelluntur
                <lb/>
              vnum versùs aliud, vel potiùs ab aliqua vi motiua, </s>
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          </chap>
        </body>
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