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

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            <s xml:id="echoid-s10666" xml:space="preserve">
              <pb o="465" file="0479" n="479" rhead="CORPORUM FIRMORUM."/>
            gunt; </s>
            <s xml:id="echoid-s10667" xml:space="preserve">alia applanata ſe tam fortiter attrahunt, ut ſe retineant, at-
              <lb/>
            trahunt alia, in maſſas concreſcunt majores, unde tandem firma
              <lb/>
            moles compingitur, cujus partes non amplius ſecedunt, ſedatur-
              <lb/>
            que efferveſcentia. </s>
            <s xml:id="echoid-s10668" xml:space="preserve">Spiritus Urinæ & </s>
            <s xml:id="echoid-s10669" xml:space="preserve">Viui Alcohol ſubtiliſſimum
              <lb/>
            ſemet fortiſſime attrahunt; </s>
            <s xml:id="echoid-s10670" xml:space="preserve">quare bina fluida, etiamſi ſint ſubti-
              <lb/>
            liſſima, illico in mutuos amplexus ruunt, ſeretinent, abeuntque in
              <lb/>
            glaciei duriſſimæ ſpeciem. </s>
            <s xml:id="echoid-s10671" xml:space="preserve">Acidum eſt magnes lactis, ejus partes
              <lb/>
            craſſiores firmiſſime attrahit, expellitur liquor ſubtilior, reliqua-
              <lb/>
            que maſſa in ſolidam ſubſtantiam, caſeum vocatam, abit.</s>
            <s xml:id="echoid-s10672" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s10673" xml:space="preserve">Septimo tandem clavi ſolidi duobus immittuntur corporibus,
              <lb/>
            quæ in unam molem compinguntur, non facile ſolvendam; </s>
            <s xml:id="echoid-s10674" xml:space="preserve">quia cla-
              <lb/>
            vi ingreſſi corpora partes a ſe removent, his vero ſe attrahenti-
              <lb/>
            bus clavi inter duos Magnetes ponuntur, qui quo fortius ſe tra-
              <lb/>
            hunt, eo validius clavos retinent, præterea clavorum ſuperficies
              <lb/>
            aſpera eſſe ſolet, unde ſemel corporibus intruſi extrahi nequeunt,
              <lb/>
            niſi ſimul plurimæ partes tum clavorum, tum junctorum corporum
              <lb/>
            abradantur, hæ igitur reſiſtendo Cohærentiam validiorem faciunt.
              <lb/>
            </s>
            <s xml:id="echoid-s10675" xml:space="preserve">Quomodo ejuſmodi exigui clavi partes aqueas transfigant, in gla-
              <lb/>
            ciem cogant, explicabo in alia Diſſertatione de Aqua & </s>
            <s xml:id="echoid-s10676" xml:space="preserve">Glacie: </s>
            <s xml:id="echoid-s10677" xml:space="preserve">ani-
              <lb/>
            mus modo fuit breviter expoſuiſſe ſeptem Cohærentiæ metho-
              <lb/>
            dos cognitas: </s>
            <s xml:id="echoid-s10678" xml:space="preserve">interim diffuſior evaſi in examine cauſarum, quas
              <lb/>
            Philoſophi Cohærentiæ affinxerunt; </s>
            <s xml:id="echoid-s10679" xml:space="preserve">abſtinere potuiſſem, niſi cre-
              <lb/>
            didiſſem alicujus uſus fore tironibus veterum ſententias noſſe, & </s>
            <s xml:id="echoid-s10680" xml:space="preserve">
              <lb/>
            errores; </s>
            <s xml:id="echoid-s10681" xml:space="preserve">alioquin cauſarum indagatio, qua adeo ſollicite nonnulli
              <lb/>
            occupantur, non magnam generi humano utilitatem affert; </s>
            <s xml:id="echoid-s10682" xml:space="preserve">cum e
              <lb/>
            contrario Legum Cohærentiæ cognitio ſit utiliſſima; </s>
            <s xml:id="echoid-s10683" xml:space="preserve">has plerique
              <lb/>
            negligunt, gloriam neſcio quam in cauſis aſſignandis captantes: </s>
            <s xml:id="echoid-s10684" xml:space="preserve">
              <lb/>
            Leges ſunt ſtabiles in natura, experimentis erui, & </s>
            <s xml:id="echoid-s10685" xml:space="preserve">auxilio Mathe-
              <lb/>
            ſeos explicari poſſunt, aut debent: </s>
            <s xml:id="echoid-s10686" xml:space="preserve">cauſæ â Natura profundiſſimis in-
              <lb/>
            volutæ tenebris, non niſi poſt magnos labores eruendæ, & </s>
            <s xml:id="echoid-s10687" xml:space="preserve">raro adeo
              <lb/>
            clarè, adeo directe demonſtrari queunt, unde de his acres, & </s>
            <s xml:id="echoid-s10688" xml:space="preserve">ple-
              <lb/>
            rumque vanæ Diſputationes, exſurgunt: </s>
            <s xml:id="echoid-s10689" xml:space="preserve">ab his igitur in poſterum
              <lb/>
            abſtinebimus, operam modo daturi legibus Cohærentiæ eruendis.</s>
            <s xml:id="echoid-s10690" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s10691" xml:space="preserve">Poſſunt corpora, quæ cohærent, ſex diverſis modis examinari:
              <lb/>
            </s>
            <s xml:id="echoid-s10692" xml:space="preserve">nam 1°. </s>
            <s xml:id="echoid-s10693" xml:space="preserve">ſecundum longitudinem ſuam directio potentiæ trahentis
              <lb/>
            applicari poteſt, uti in Tab. </s>
            <s xml:id="echoid-s10694" xml:space="preserve">XV III. </s>
            <s xml:id="echoid-s10695" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s10696" xml:space="preserve">1. </s>
            <s xml:id="echoid-s10697" xml:space="preserve">ubi corpori AC </s>
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