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

List of thumbnails

< >
41
41 (27) 		42
42 (28)
43
43 (29) 		44
44 (30)
45
45 (31) 		46
46 (32)
47
47 (33) 		48
48 (34)
49
49 (35) 		50
50 (36)
< >
page |< < (36) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div23" type="section" level="1" n="23">
          <p>
            <s xml:id="echoid-s822" xml:space="preserve">
              <pb o="36" file="0050" n="50" rhead="DISSERTATIO"/>
            & </s>
            <s xml:id="echoid-s823" xml:space="preserve">quod de La Hire ſuis obſervatis confirmavit in L’Hiſt. </s>
            <s xml:id="echoid-s824" xml:space="preserve">de L’A-
              <lb/>
            cad. </s>
            <s xml:id="echoid-s825" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s826" xml:space="preserve">Ao. </s>
            <s xml:id="echoid-s827" xml:space="preserve">1705. </s>
            <s xml:id="echoid-s828" xml:space="preserve">qui incluſit fila ferrea lapidi, ſed hæc diſpoſuit,
              <lb/>
            ut ſua longitudine reſponderent directioni acus Magneticæ, tum
              <lb/>
            poſt 10 annos lapis evaſit Magnes verus, filis nempe a rubigine corroſis:
              <lb/>
            </s>
            <s xml:id="echoid-s829" xml:space="preserve">Nonnulla autem fila prius Magneti affricuerat, antequam alteri lapi-
              <lb/>
            di incluſerat, volens videre, an non ita fortior generaretur Magnes,
              <lb/>
            verum plus virium in hoc lapide non animadvertit. </s>
            <s xml:id="echoid-s830" xml:space="preserve">Ferrum igitur,
              <lb/>
            quod eſt in Magnete, ſimul cum ſua terra vim attrahendi habet; </s>
            <s xml:id="echoid-s831" xml:space="preserve">
              <lb/>
            ſi proinde hoc agat in ferreas partes conſtituentes alium Magnetem,
              <lb/>
            non admirandum eſt, hoc etiam agere in ferrum purum, ſive in Ma-
              <lb/>
            gnetem puriſſimum abſque lapide admiſto, ſic enim ferrum purum
              <lb/>
            vocare licebit: </s>
            <s xml:id="echoid-s832" xml:space="preserve">Eodem prorſus modo Magnes agit in quælibet cor-
              <lb/>
            pora, quibus ferrum eſt intermiſtum; </s>
            <s xml:id="echoid-s833" xml:space="preserve">imo forte in ea, quæ nihil
              <lb/>
            ferri habent, ſed eandem terreſtrem attractricem materiam: </s>
            <s xml:id="echoid-s834" xml:space="preserve">agit ita
              <lb/>
            in nonnullas plantas; </s>
            <s xml:id="echoid-s835" xml:space="preserve">in lateres coctos ruberrimi coloris, notante Ca-
              <lb/>
            bæo Lib. </s>
            <s xml:id="echoid-s836" xml:space="preserve">1. </s>
            <s xml:id="echoid-s837" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s838" xml:space="preserve">17. </s>
            <s xml:id="echoid-s839" xml:space="preserve">p. </s>
            <s xml:id="echoid-s840" xml:space="preserve">63. </s>
            <s xml:id="echoid-s841" xml:space="preserve">in Colcotar vitrioli; </s>
            <s xml:id="echoid-s842" xml:space="preserve">in pulverem ſplen-
              <lb/>
            dentem nigrumque, qui ex arena Indica elicitur, & </s>
            <s xml:id="echoid-s843" xml:space="preserve">qui nunquam ru-
              <lb/>
            biginem contrahit, de quo plura inferius: </s>
            <s xml:id="echoid-s844" xml:space="preserve">in pulverem nigrum qui
              <lb/>
            remanet poſt deſtillationem olei Lini, & </s>
            <s xml:id="echoid-s845" xml:space="preserve">olei Therebinthinæ, uti
              <lb/>
            annotatum eſt in L’Hiſtoire de L’Academie Roy. </s>
            <s xml:id="echoid-s846" xml:space="preserve">Ao. </s>
            <s xml:id="echoid-s847" xml:space="preserve">1704. </s>
            <s xml:id="echoid-s848" xml:space="preserve">in Gra-
              <lb/>
            natum, gemmam, modo fuerit colore ſaturo tincta, affirmante Boy-
              <lb/>
            leo, vide Act. </s>
            <s xml:id="echoid-s849" xml:space="preserve">Lipſ. </s>
            <s xml:id="echoid-s850" xml:space="preserve">Ao. </s>
            <s xml:id="echoid-s851" xml:space="preserve">1693. </s>
            <s xml:id="echoid-s852" xml:space="preserve">pag 182. </s>
            <s xml:id="echoid-s853" xml:space="preserve">in Lapidem Lough neagh
              <lb/>
            calcinatum, notante Molyneux in Phil. </s>
            <s xml:id="echoid-s854" xml:space="preserve">Tranſ. </s>
            <s xml:id="echoid-s855" xml:space="preserve">No. </s>
            <s xml:id="echoid-s856" xml:space="preserve">166. </s>
            <s xml:id="echoid-s857" xml:space="preserve">atque in
              <lb/>
            impuritates vitri, monente Helmontio, pag. </s>
            <s xml:id="echoid-s858" xml:space="preserve">727. </s>
            <s xml:id="echoid-s859" xml:space="preserve">unde error Pli-
              <lb/>
            nii liquet, qui in Lib. </s>
            <s xml:id="echoid-s860" xml:space="preserve">34. </s>
            <s xml:id="echoid-s861" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s862" xml:space="preserve">14. </s>
            <s xml:id="echoid-s863" xml:space="preserve">Hiſtor. </s>
            <s xml:id="echoid-s864" xml:space="preserve">Nat. </s>
            <s xml:id="echoid-s865" xml:space="preserve">dicit, de ferro
              <lb/>
            verba habens; </s>
            <s xml:id="echoid-s866" xml:space="preserve">Sola hæc materia vires ab eo lapide accipit.</s>
            <s xml:id="echoid-s867" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s868" xml:space="preserve">Quia autem omnis Actio eſt æqualis Reactioni, non poteſt Mag-
              <lb/>
            nes agere in ferrum, niſi hoc reciproce in Magnetem agat, adeo-
              <lb/>
            que eodem modo ferrum ad Magnetem accedat, quam hic ad fer-
              <lb/>
            rum; </s>
            <s xml:id="echoid-s869" xml:space="preserve">hoc tamen Experimento confirmare volui: </s>
            <s xml:id="echoid-s870" xml:space="preserve">Suspenſus fuit Mag-
              <lb/>
            nes ex fune longo Libræ alligato, reductusque ope æquipondii eſt
              <lb/>
            in æqualibrium; </s>
            <s xml:id="echoid-s871" xml:space="preserve">tum maſſa ferrea ejusdem gravitatis cum Magnete, e
              <lb/>
            quatuor a ſe diſtantibus funibus ſuspenſa ex altera Libra, ita ut Magnes
              <lb/>
            & </s>
            <s xml:id="echoid-s872" xml:space="preserve">ferrum fere in eadem linea perpendiculari forent, æquilibrium quo-
              <lb/>
            que quæſitum fuit; </s>
            <s xml:id="echoid-s873" xml:space="preserve">ſimulac autem tam prope ad ſe admovebantur,
              <lb/>
            ut manifeſto in ſe mutuo operarentur, acceſſit ferrum ad </s>
          </p>
        </div>
      </text>
    </echo>
Impressum