Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

Table of figures

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            <s xml:id="echoid-s16517" xml:space="preserve">
              <pb o="653" file="0669" n="670" rhead="CORPORUM FIRMORUM."/>
            dicularis in quodlibet latus trium cuborum, ubiſe contingunt, nullus
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            lateraliter cedet, adeoque ejuſmodi maſſa feret onus utcunque gra-
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            ve: </s>
            <s xml:id="echoid-s16518" xml:space="preserve">ſi igitur ex pluribus ſeriebus cuborum, aut parallelopipedorum,
              <lb/>
            eodem ordinato modo ſibi impoſitorum maſia magna componatur,
              <lb/>
            hæc poterit, ut ante, onus utcunque grave ſuſtinere abſque ſolu-
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            tione, ejuſve metu.</s>
            <s xml:id="echoid-s16519" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16520" xml:space="preserve">Si vero maſſa conſtet ex corpuſculis poros inter ſe relinquenti-
              <lb/>
            bus, tum, quæ non lata ſe premunt ſuperficie, quæque preſſa de-
              <lb/>
            terminant lateraliter alia, quibus incumbunt, hæc maſſa non
              <lb/>
            poterit ſuſtinere pondus quodcunque, ſed in partes ſolvi po-
              <lb/>
            terit.</s>
            <s xml:id="echoid-s16521" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16522" xml:space="preserve">Cohærent partes majoris maſſæ vi finita inter ſe, adeoque dari
              <lb/>
            poteſt preſſio major quam eſt Cohærentia, atque oppoſitæ dire-
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            ctionis, quæ partes ſolvat: </s>
            <s xml:id="echoid-s16523" xml:space="preserve">quamobrem ſi partes ſuperiores ita in-
              <lb/>
            cumbant inferioribus, ut has directe deorſum non premant, ſed
              <lb/>
            oblique, tum preſſione ſuperante Cohærentiam cedent partes in-
              <lb/>
            trorſum, quia ibi dantur pori, quo cedere poſſunt; </s>
            <s xml:id="echoid-s16524" xml:space="preserve">vel cedent extror-
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            ſum, ubi nihil eſt quod reſiſtat.</s>
            <s xml:id="echoid-s16525" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16526" xml:space="preserve">Quoniam omnia corpora majora ope Microſcopiorum obſervan-
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            tur componi ex ſolidis plurimos poros inter ſe conſtituentibus, & </s>
            <s xml:id="echoid-s16527" xml:space="preserve">
              <lb/>
            inordinato ſitu locatis, patet hæc compreſſa non eſſe immutabilis
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            figuræ, ſed introrſum poſſe cedere & </s>
            <s xml:id="echoid-s16528" xml:space="preserve">extrorſum; </s>
            <s xml:id="echoid-s16529" xml:space="preserve">adeoque preſſio-
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            ne valde auctâ poſſe diffringi aut diſſolvi, partibus ſcilicet lateraliter
              <lb/>
            extrorſum cedentibus â cauſa premente.</s>
            <s xml:id="echoid-s16530" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16531" xml:space="preserve">Non tamen introceſius partium, erit in ratione ponderum pre-
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            mentium: </s>
            <s xml:id="echoid-s16532" xml:space="preserve">Vid. </s>
            <s xml:id="echoid-s16533" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s16534" xml:space="preserve">XVIII. </s>
            <s xml:id="echoid-s16535" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s16536" xml:space="preserve">5. </s>
            <s xml:id="echoid-s16537" xml:space="preserve">ſit enim corpus, ab C, quod
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            preſſum ab impoſito pondere P deorſum cedit ab a uſque ad b: </s>
            <s xml:id="echoid-s16538" xml:space="preserve">ſi
              <lb/>
            nunc introceſſus corporis ab C forent proportionales ponderibus
              <lb/>
            comprimentibus, ſequitur ab impoſito alio pondere, vocando R,
              <lb/>
            quod foret ad pondus P in majori ratione, quam a C eſt ad a b,
              <lb/>
            corpus plus compreſſum iri, quam eſt ipſa longitudo a C, quod
              <lb/>
            eſt abſurdum; </s>
            <s xml:id="echoid-s16539" xml:space="preserve">adeoque neceſſarium eſt, ut introceſius corporis a
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            pondere R ſint in minori ratione, quam a pondere P.</s>
            <s xml:id="echoid-s16540" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16541" xml:space="preserve">Præterea, quo maſſa magna conſtet ex partibus figura magis re-
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            gulari donatis, & </s>
            <s xml:id="echoid-s16542" xml:space="preserve">latioribus ſuperficiebus ſe contingentibus, per
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            quas preſſionum directiones tranſeunt perpendiculariter, eo </s>
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