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 Notes

< >
< >
page |< < (420) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div338" type="section" level="1" n="338">
          <p>
            <s xml:id="echoid-s9389" xml:space="preserve">
              <pb o="420" file="0434" n="434" rhead="DISSERTATIO DE MAGNITUDINE TERRÆ."/>
            metræ Galliarum in Tractatu vocato. </s>
            <s xml:id="echoid-s9390" xml:space="preserve">Suite des Memoires de l’ Acad.
              <lb/>
            </s>
            <s xml:id="echoid-s9391" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s9392" xml:space="preserve">A°. </s>
            <s xml:id="echoid-s9393" xml:space="preserve">1718. </s>
            <s xml:id="echoid-s9394" xml:space="preserve">dederunt: </s>
            <s xml:id="echoid-s9395" xml:space="preserve">Hi in parte I. </s>
            <s xml:id="echoid-s9396" xml:space="preserve">Cap. </s>
            <s xml:id="echoid-s9397" xml:space="preserve">
              <emph style="sc">XIII</emph>
            uni Gradui ad-
              <lb/>
            ſcribunt 57097 Hexapedas Pariſinas. </s>
            <s xml:id="echoid-s9398" xml:space="preserve">Eſt pes Rhenolandicus minor
              <lb/>
            Pariſino, & </s>
            <s xml:id="echoid-s9399" xml:space="preserve">quidem ſecundum Picardum in divers Ouvrages des
              <lb/>
            Meſſieurs de l’ Acad. </s>
            <s xml:id="echoid-s9400" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s9401" xml:space="preserve">eſſet pes Rhenolandicus ad Pariſinum, uti
              <lb/>
            696 ad 720. </s>
            <s xml:id="echoid-s9402" xml:space="preserve">ſive 138 ad 144, vel ſecundum alios uti 139 ad 144 unde fo-
              <lb/>
            rent 29514, 2, 3. </s>
            <s xml:id="echoid-s9403" xml:space="preserve">perticæ Rhenolandicæ æquales hexapedis Pariſinis
              <lb/>
            57033. </s>
            <s xml:id="echoid-s9404" xml:space="preserve">0, 8. </s>
            <s xml:id="echoid-s9405" xml:space="preserve">& </s>
            <s xml:id="echoid-s9406" xml:space="preserve">Magnitudo Gradus unius terreſtris, a nobis deter-
              <lb/>
            minata, foret 64 hexapedis minor, quam Geometræ Galli
              <lb/>
            poſuerunt: </s>
            <s xml:id="echoid-s9407" xml:space="preserve">Accuratiſſimus Picardus determinaverat Magnitudinem
              <lb/>
            37 hexapedis minorem, nempe 57060. </s>
            <s xml:id="echoid-s9408" xml:space="preserve">hexapedarum, a cujus menſu-
              <lb/>
            ra ſuperatur iterum noſtra quantitate tantum 27 hexapedarum; </s>
            <s xml:id="echoid-s9409" xml:space="preserve">quæ
              <lb/>
            profecto admodum parva eſt diſcrepantia: </s>
            <s xml:id="echoid-s9410" xml:space="preserve">Unde concludere licebit
              <lb/>
            ex hoc conſenſu qualicunque, hodiernos Geometras non multum â
              <lb/>
            veritate aberrare; </s>
            <s xml:id="echoid-s9411" xml:space="preserve">nam abſolute hanc illamve eſſe veram Magnitu-
              <lb/>
            dinem nemo in Geometriâ practicâ verſatus affirmare audebit: </s>
            <s xml:id="echoid-s9412" xml:space="preserve">Cum
              <lb/>
            angulorum minuta ſecunda non niſi difficillime diſtinguere quea-
              <lb/>
            mus, & </s>
            <s xml:id="echoid-s9413" xml:space="preserve">ipſa Inſtrumenta, quibus utimur, utcunque accurate fabre-
              <lb/>
            facta, ſemper ab hominibus modo compoſita ſint, nec ad deſidera-
              <lb/>
            ram perfectionem unquam reducta fuerint, aut reduci poſſint, uti
              <lb/>
            ſummi artifices mecum confiteri tenebuntur: </s>
            <s xml:id="echoid-s9414" xml:space="preserve">præteribo plurima a-
              <lb/>
            lia, candorem Celeberrimorum Geometrarum Gallorum memoraſ-
              <lb/>
            ſe ſufficiet, qui definita Magnitudine Gradus Terræ, eaque compa-
              <lb/>
            rata cum Picardiana addunt: </s>
            <s xml:id="echoid-s9415" xml:space="preserve">Differentiam 37 Hexapedarum non
              <lb/>
            eſſe adeo notabilem, quin poſſit adſcribi erroribus illapſis partim in
              <lb/>
            ſuas, partim in Picardi obſervationes; </s>
            <s xml:id="echoid-s9416" xml:space="preserve">quia hic Autor fatetur, non
              <lb/>
            obſtante quâ cunque curâ adhibita, ſe non reſpondere poſſe de duo-
              <lb/>
            bus Minutis ſecundis, & </s>
            <s xml:id="echoid-s9417" xml:space="preserve">idcirco de quantitate circiter 32 hexape-
              <lb/>
            darum in quâlibet obſervatione: </s>
            <s xml:id="echoid-s9418" xml:space="preserve">Poſtquam tam propinquum con-
              <lb/>
            ſenſum inter calculum Picardi, aliorum Gallorum Geometrarum,
              <lb/>
            noſtrumque deprehenderam, in animum induxi eum cum publico
              <lb/>
            communicare, ne aliquid gloriæ Snellii, cui primæ baſeos menſu-
              <lb/>
            ram, & </s>
            <s xml:id="echoid-s9419" xml:space="preserve">aliquantum hujus ſupputationis debemus. </s>
            <s xml:id="echoid-s9420" xml:space="preserve">decedat: </s>
            <s xml:id="echoid-s9421" xml:space="preserve">integrum
              <lb/>
            interea ſit unicuique Picardianam, Gallicanam, aut hanc Snel-
              <lb/>
            lianam eligere menſuram, quæcunque enim eligetur, veritati pro-
              <lb/>
            xima erit.</s>
            <s xml:id="echoid-s9422" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div339" type="section" level="1" n="339">
          <head xml:id="echoid-head445" xml:space="preserve">FINIS.</head>
        </div>
      </text>
    </echo>
Impressum