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

< >
11
11 		12
12
13
13 		14
14
15
15 		16
16 (2)
17
17 (3) 		18
18 (4)
19
19 (5) 		20
20 (6)
< >
page |< < (106) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div59" type="section" level="1" n="59">
          <p>
            <s xml:id="echoid-s2584" xml:space="preserve">
              <pb o="106" file="0120" n="120" rhead="DISSERTATIO"/>
            circo vis Magnetis non tanta cum efficaciâ in Ferrum rubiginoſum
              <lb/>
            agit quam in purum: </s>
            <s xml:id="echoid-s2585" xml:space="preserve">quamobrem nequaquam conſentio cum Ta-
              <lb/>
            chenio in Clave Hippocr. </s>
            <s xml:id="echoid-s2586" xml:space="preserve">Medic. </s>
            <s xml:id="echoid-s2587" xml:space="preserve">Cap. </s>
            <s xml:id="echoid-s2588" xml:space="preserve">9. </s>
            <s xml:id="echoid-s2589" xml:space="preserve">hoc explicante, quod ex
              <lb/>
            rubigine acidum ferri exſpiravit, & </s>
            <s xml:id="echoid-s2590" xml:space="preserve">ob id ejus odorem mater (Ma-
              <lb/>
            gnes ſcilicet) non percipit.</s>
            <s xml:id="echoid-s2591" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div60" type="section" level="1" n="60">
          <head xml:id="echoid-head68" xml:space="preserve">EXPERIMENTUM XL.</head>
          <p>
            <s xml:id="echoid-s2592" xml:space="preserve">Magnes inermis, qui poteſt elevare maſſam ferream duarum un-
              <lb/>
            ciarum, quod eſt maximum pondus ab eo ſuſtinendum; </s>
            <s xml:id="echoid-s2593" xml:space="preserve">non pote-
              <lb/>
            rit tamen elevare aliud Ferrum unciæ unius cum uncia alterius me-
              <lb/>
            talli, etiamſi ſuperficiem ſimilem priori maſſæ habuerit: </s>
            <s xml:id="echoid-s2594" xml:space="preserve">quemad-
              <lb/>
            modum recte obſervavit Dechales.</s>
            <s xml:id="echoid-s2595" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div61" type="section" level="1" n="61">
          <head xml:id="echoid-head69" xml:space="preserve">EXPERIMENTUM. XLI.</head>
          <p>
            <s xml:id="echoid-s2596" xml:space="preserve">Magnes in aliquot partes ope ſerræ dividatur, ne concuſſione in-
              <lb/>
            teriora ejus turbentur, tum ſumma ponderum Ferri, quam omnia fra-
              <lb/>
            gmenta ſeorſim examinata ſuſtinent, multum ſuperat illud pondus,
              <lb/>
            quod antea â Magnete integro elevabatur.</s>
            <s xml:id="echoid-s2597" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2598" xml:space="preserve">Raro grandis datur Magnes, qui ſuum geſtare poteſt pondus: </s>
            <s xml:id="echoid-s2599" xml:space="preserve">mi-
              <lb/>
            nores novi plurimos, qui vim attrahentem decies, vigeſies & </s>
            <s xml:id="echoid-s2600" xml:space="preserve">ultra
              <lb/>
            ſuperantem ſuum pondus poſſident; </s>
            <s xml:id="echoid-s2601" xml:space="preserve">minimos vidi, quorum virtus
              <lb/>
            quingenties gravitatem excedebat: </s>
            <s xml:id="echoid-s2602" xml:space="preserve">Quia autem grandis Magnes con-
              <lb/>
            ſiderari poteſt inſtar congeriei plurimorum parvorum, in unam con-
              <lb/>
            junctorum maſſam, hi ſibi additi nequeunt tantam vim in Ferrum
              <lb/>
            exercere, quam ſeparati: </s>
            <s xml:id="echoid-s2603" xml:space="preserve">Demonſtratum enim eſt in Experimento
              <lb/>
            XVI. </s>
            <s xml:id="echoid-s2604" xml:space="preserve">Vim Magnetis in Ferrum decreſcere, prout majori ab eo ab-
              <lb/>
            eſt diſtantia: </s>
            <s xml:id="echoid-s2605" xml:space="preserve">Sit Magnes A Tab. </s>
            <s xml:id="echoid-s2606" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2607" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s2608" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2609" xml:space="preserve">qui attollere poſſit Fer-
              <lb/>
            rum B, concipiatur diviſus in 9 partes, quas figura exhibet, appa-
              <lb/>
            rebit intuenti, Ferrum B eſſe quidem immediate applicatum parti-
              <lb/>
            bus 1, 2, 3. </s>
            <s xml:id="echoid-s2610" xml:space="preserve">Sed diſtare a partibus 4, 5, 6 craſſitie partium in ſe-
              <lb/>
            rie anteriori, quamobrem hæ agent modo in Ferrum, quemadmo-
              <lb/>
            dum Magnes in id, tantopere a ſe remotum, operatus fuiſſet: </s>
            <s xml:id="echoid-s2611" xml:space="preserve">Quia
              <lb/>
            autem partes 7, 8, 9. </s>
            <s xml:id="echoid-s2612" xml:space="preserve">multo plus diſtant â Ferro B, quam ſeries
              <lb/>
            media, iterum minus in illud operabuntur; </s>
            <s xml:id="echoid-s2613" xml:space="preserve">adjuvabunt tamen </s>
          </p>
        </div>
      </text>
    </echo>
Impressum