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

< >
< >
page |< < (639) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div620" type="section" level="1" n="620">
          <p>
            <s xml:id="echoid-s16238" xml:space="preserve">
              <pb o="639" file="0655" n="656" rhead="CORPORUM FIRMORUM."/>
            12 pollices a ſe remotis, ex medio ſuſpenſum tenuit pondus librar.
              <lb/>
            </s>
            <s xml:id="echoid-s16239" xml:space="preserve">350, tumque diffractum, veluti notavit Hookius: </s>
            <s xml:id="echoid-s16240" xml:space="preserve">vide Hookiana
              <lb/>
            a Derbamo edita pag. </s>
            <s xml:id="echoid-s16241" xml:space="preserve">130. </s>
            <s xml:id="echoid-s16242" xml:space="preserve">Eadem examinandi methodo uſus fuit
              <lb/>
            Cl. </s>
            <s xml:id="echoid-s16243" xml:space="preserve">Mairan in Tractatu de Glacie; </s>
            <s xml:id="echoid-s16244" xml:space="preserve">qui Tubum vitreum diametri 4
              <lb/>
            linearum implevit aqua, quam ſivit congelari, tum undique latera
              <lb/>
            tubi paulum calefecit, ut cylindrum glacialem internum, jam ſo-
              <lb/>
            lutum a lateribus eximere poſſet, & </s>
            <s xml:id="echoid-s16245" xml:space="preserve">cum eo Experimentum cape-
              <lb/>
            re: </s>
            <s xml:id="echoid-s16246" xml:space="preserve">Cylindrum impoſuit duobus fulcris 6 pollices â ſe diſtantibus,
              <lb/>
            ex medio pendebat funis cum pondere, quod = unciis 17 + drach-
              <lb/>
            mis 2 fregit glaciem, repetiit hoc Experimentum aliquoties, ſed cum
              <lb/>
            diverſo ſucceſſu, prout glacies pluribus vel paucioribus bullis aëreis
              <lb/>
            ſcatebat, aut tempeſtatis calor friguſve variabant.</s>
            <s xml:id="echoid-s16247" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div621" type="section" level="1" n="621">
          <head xml:id="echoid-head740" xml:space="preserve">CAPUT OCTAVUM.</head>
          <head xml:id="echoid-head741" style="it" xml:space="preserve">De Cohærentia ſolidorum utrimque a foramine arcto
            <lb/>
          exceptorum.</head>
          <p>
            <s xml:id="echoid-s16248" xml:space="preserve">Examinanda reſtat Cohærentia corporum, quæ utrimque ful.
              <lb/>
            </s>
            <s xml:id="echoid-s16249" xml:space="preserve">ciuntur, ſed quorum extrema immiſſa ſunt foraminibus, ar-
              <lb/>
            cte hæc ipſa comprehendentibus, adeo ut differat hoc examen ab
              <lb/>
            eo in Capite VII inſtituto, quod ibi extrema corporum libere inni-
              <lb/>
            tebantur fulcris, hic nunc concludantur in foraminibus; </s>
            <s xml:id="echoid-s16250" xml:space="preserve">ſi Geo-
              <lb/>
            metrice de Cohærentia modo ratiocinaremur, nulla differentia vi-
              <lb/>
            deretur dari, ſive corpora libere fulcris impoſita fuerint, ſive in
              <lb/>
            foraminibus comprehendantur, ſed valde differt corporum in utro-
              <lb/>
            que caſu firmitas, quemadmodum Mariottus & </s>
            <s xml:id="echoid-s16251" xml:space="preserve">Parentius invene-
              <lb/>
            runt. </s>
            <s xml:id="echoid-s16252" xml:space="preserve">Meretur corporum Cohærentia hæc explorari, quia Trabes,
              <lb/>
            quæ ædium tabulationibus, pavimentisque inſerviunt, utroque ſui
              <lb/>
            extremo parietibus infiguntur, iiſque tanquam foraminibus inclu-
              <lb/>
            duntur, impedientibus quominus partes extremæ adſcendant, ſi
              <lb/>
            locis intermediis onus grave imponeretur; </s>
            <s xml:id="echoid-s16253" xml:space="preserve">ut tranſeam plures ca-
              <lb/>
            ſus, in quibus corporum extrema concluſa retinentur, intermediâ
              <lb/>
            interim maſſâ reſiſtentiam contra quamlibet vim exercente.</s>
            <s xml:id="echoid-s16254" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16255" xml:space="preserve">Hiſce tentaminibus inſerviit quoque machina in Tab. </s>
            <s xml:id="echoid-s16256" xml:space="preserve">XXIII. </s>
            <s xml:id="echoid-s16257" xml:space="preserve">fig.</s>
            <s xml:id="echoid-s16258" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>
Impressum