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

Table of figures

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              CD ab AM, adhùc reliqua tota eius portio DB ne­
                <lb/>
              ctitur,
                <expan abbr="tãgitque">tangitque</expan>
                <expan abbr="portionẽ">portionem</expan>
              ſubiectam MB; poſtea per­
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              ſeuerante violentia diuelli­
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              tur ſecunda particula DE ab
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              MN,
                <expan abbr="perſeuerãte">perſeuerante</expan>
              contactu in
                <lb/>
              tota longitudine EB, deinde
                <lb/>
              tertia particula EF ſolummo­
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              dò ab NO ſegregatur, & ſic
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              conſequentes reliquæ omnes
                <lb/>
              particulæ vna poſt aliam: Et
                <lb/>
              hìc
                <expan abbr="notãdũ">notandum</expan>
              eſt, quòd ſi in plano CB particulę CD, DE,
                <lb/>
              EF; non eſſent quantæ, ſed lineæ tranſuerſales, aut
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              puncta indiuiſibilia, quæ conſequentèr diuelleren­
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              tur in ſingulis inſtantibus
                <expan abbr="tẽporis">temporis</expan>
              , procùl dubio pla­
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              nities CB degeneraret transformaretur que in
                <expan abbr="curuã">curuam</expan>
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              ſuperficiem, quod profectò contingere
                <expan abbr="">non</expan>
              poſſet, niſi
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              ſolida lamina CB conſtaret ex lineis tranſuerſalibus,
                <lb/>
              aut ex punctis actu inter ſe diuiſis contiguiſque, eò
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              quòd diuerſimodè moueri, &
                <expan abbr="trãſponi">tranſponi</expan>
              ,
                <expan abbr="debẽt">debent</expan>
              ad hoc
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              vt perfectam
                <expan abbr="curuitatẽ">curuitatem</expan>
              acquirere poſſint. </s>
              <s id="s.002886">At ſi lami­
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              na ex particulis quantis corporeis conſtaret,
                <expan abbr="quarũ">quarum</expan>
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              quælibet omninò dura, & inflexibilis fuiſſet, licèt
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              poſt inflexionem curuitatis apparentiam
                <expan abbr="sẽſibus">senſibus</expan>
              re­
                <lb/>
              pręſentaret, tamen figuram quamdam polyhedram
                <lb/>
              ex pluribus planis CD, DE, EF, &c:
                <expan abbr="compoſitã">compoſitam</expan>
              effi­
                <lb/>
              ceret, & tunc licèt prædictæ planitieculæ ſucceſſiuo
                <lb/>
              motu vna poſt aliam à ſubiecto plano diuellerentur,
                <lb/>
                <expan abbr="tamẽ">tamen</expan>
              vnaquæque earum ob natiuam eius duritiem
                <lb/>
              inflexibilem tota ſimùl, & in inſtanti ſepararetur à
                <lb/>
              ſubiecto plano. </s>
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