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 contents

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[271.] XIII. Problema. Triangulum O E V, Amſtelodamum, Leida, Trajectum.
Page: 396 (382)
[272.] XIV. Proelema Triangulum E I V, Leida, Harlemum, Trajectum.
Page: 397 (383)
[273.] XV. Problema Triangulum E I O. Leyda, Harlemum, Amſtelo-damum.
Page: 398 (384)
[274.] XVI. Problema Triangulum I O ?. Harlemum, Amſtelodamum, Alcmaria.
Page: 398 (384)
[275.] XVII. Problema. Triangulum E O ?. Leida, Amſtelodamum, Alcmaria.
Page: 399 (385)
[276.] XVIII. Problema. Triangulum M V L, Oude-Watera, Trajectum, Bommelia.
Page: 399 (385)
[277.] XIX. Problema Triangulum ? V L. Dordracum, Trajectum, Bommelia.
Page: 400 (386)
[278.] XX. Problema Triangulum E V L. Leida, Trajectum, Bommelia.
Page: 400 (386)
[279.] XXI. Problema. Triangulum ? E L, Alcmaria, Leida, Bommelia.
Page: 401 (387)
[280.] XXII. Problema. Triangulum R L V, Dordracum, Bommelia, Breda.
Page: 401 (387)
[281.] XXIII. Problema. Triangulum R S F. Dordracum, Gouda, Rotterodamum.
Page: 401 (387)
[282.] XXIV. Problema. Triangulum R T F, Dordracum, Willemſtadium, Rotterodamum.
Page: 402 (388)
[283.] XXV. Problema. Triangulum R T V. Dordracum, Willemſtadium, Breda.
Page: 402 (388)
[284.] XXVI. Problema. Triangulum T V Q. Willemſtadium, Breda, Berga-ad-Somum.
Page: 403 (389)
[285.] XXVII. Problema. Triangulum R V Q Dordracum, Breda, Berga-ad-Somum.
Page: 404 (390)
[286.] XXVIII. Problema. Triangulum V L Q Breda, Bommelia, Berga-ad-Somum.
Page: 404 (390)
[287.] XXIX. Problema. Datis quadrilateri L R V Q lateribus & diagonio R V, abſque Triangulorum canonibus invenire reliquam diagonium Q L.
Page: 405 (391)
[288.] XXX. Problema Triangulum E I ?, Leida, Harlemum, Alcmaria.
Page: 406 (392)
[289.] XXXI. Problema. Triangulum E V ?. Leida, Trajectum, Alcmaria.
Page: 407 (393)
[290.] XXXII. Problema. Triangulum V L ?. Trajectum, Bommelia, Alcmaria.
Page: 407 (393)
[291.] XXXIII. Problema. Triangulum Q L ?. Berga-ad-Somum, Bommelia, Alcmaria.
Page: 408 (394)
[292.] CAPUT IX. Quantitas unius gradus in maximo Terræ circulo demum definita.
Page: 409 (395)
[293.] PARS ALTERA. DE MAGNITUDINE TERRÆ SECUNDUM MENSURAM ULTIMAM SNELLII ET NOSTRAM. Problema I. Tab. XIV. fig. 2. Triangulum i e a connectens Leydam, Douſæ arcem, locumque inter hanc & Voor-ſchooten aſſumtum.
Page: 412 (398)
[294.] Problema II. Triangulum a e m, nectens Douſæ arcem, pagum Soeterwoudam, locumque inter illam & Voor ſchoten aſſumtum eundem ac in Probl. I.
Page: 412 (398)
[295.] Problema III. Triangulum i e m, jungens Leidam, Douſæ arcem & Soeterwoudam.
Page: 413 (399)
[296.] IV. Problema. Triangulum a i u, jungens Leidam, Voorſchoten, locumque aſſumtum in Problemate I.
Page: 414 (400)
[297.] V. Problema. Diſtantia inter Leidam & Voor ſchoten alio modo quæſita, ope Trianguli A E I nectentis Leidam, Soeterwou-dam & Voorſchoten Tab. XIV. fig. 4.
Page: 414 (400)
[298.] Problema VI. Tab. XIV. fig. 2. Triangulum, imu, conjungens Leidam, Soeterwoudam & Voorſchoten.
Page: 415 (401)
[299.] Problema VII. Diſtantia inter Soeterwoudam & Voor ſchooten alio modo quæſita.
Page: 415 (401)
[300.] Problema VIII. Tab. XIV. fig. 3. Triangulum A E I, Leida, Soeterwouda, Waſſenaria.
Page: 416 (402)
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              <pb o="229" file="0243" n="243" rhead="de MAGNETE."/>
            1232100 ad 1117. </s>
            <s xml:id="echoid-s5377" xml:space="preserve">hoc eſt uti 1103 ad 1. </s>
            <s xml:id="echoid-s5378" xml:space="preserve">Vis gravitatis autem re-
              <lb/>
            ſpectu virtutis directricis inventa ſuperius fuit Exp. </s>
            <s xml:id="echoid-s5379" xml:space="preserve">CII. </s>
            <s xml:id="echoid-s5380" xml:space="preserve">uti 295
              <lb/>
            ad 1. </s>
            <s xml:id="echoid-s5381" xml:space="preserve">nunc vero majorem rationem habet ad vim Magneticam, quod
              <lb/>
            oritur, quia Acus Inclinatoria â tota vi directrice agi poteſt, & </s>
            <s xml:id="echoid-s5382" xml:space="preserve">
              <lb/>
            verſus Magnetis polum, cum Acus horizontalis modo â parte vir-
              <lb/>
            tutis Magneticæ dirigi poſſit, nempe ab ea, quæ in latera Verſorii
              <lb/>
            horizonti perpendicularia agit, Acus vero Inclinatoria agatur a vi
              <lb/>
            deprimente, ſive â tota vi Magnetica.</s>
            <s xml:id="echoid-s5383" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div133" type="section" level="1" n="133">
          <head xml:id="echoid-head142" xml:space="preserve">EXPERIMENTUM CVIII.</head>
          <p>
            <s xml:id="echoid-s5384" xml:space="preserve">Eadem Magnetis pars, quæ Verſorio communicat directionem
              <lb/>
            verſus Auſtrum, diviſo Magnete communicat Verſorio directionem
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            verſus Septentrionem.</s>
            <s xml:id="echoid-s5385" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5386" xml:space="preserve">Hoc, quod prima fronte paradoxon videretur apprime a Doctif-
              <lb/>
            ſimo Dechales fuit intellectum & </s>
            <s xml:id="echoid-s5387" xml:space="preserve">ſolutum. </s>
            <s xml:id="echoid-s5388" xml:space="preserve">Sit enim in Tab. </s>
            <s xml:id="echoid-s5389" xml:space="preserve">7 fig.
              <lb/>
            </s>
            <s xml:id="echoid-s5390" xml:space="preserve">6. </s>
            <s xml:id="echoid-s5391" xml:space="preserve">Magnes rotundus ABEF, cujus hemiſphærium Boreale ſit
              <lb/>
            CXEFZD, in quo punctum, I diſſitum ab Æquatore, ſed parum: </s>
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              <lb/>
            puncto I applicetur cuſpis Verſorii, quod ſuper eo ducatur, diri-
              <lb/>
            getur cuſpis verſus Septentrionem; </s>
            <s xml:id="echoid-s5393" xml:space="preserve">dividatur tum Magnes ſectione
              <lb/>
            tranſeunte per Æquatorem C D, tum E F manebit polus Borealis,
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            ſed C D evadit Auſtralis, eritque hujus ſegmenti Æquator in X Z,
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            adeoque punctum I evadit pars ſegmenti Auſtralis, huic nunc ite-
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            rum apponatur cuſpis Verſorii, & </s>
            <s xml:id="echoid-s5394" xml:space="preserve">affricetur, dirigetur verſus Au-
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            ſtrum, priori contraria directione.</s>
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        <div xml:id="echoid-div134" type="section" level="1" n="134">
          <head xml:id="echoid-head143" xml:space="preserve">EXPERIMENTUM CIX.
            <lb/>
          DE FABRICA VERSORIORUM.</head>
          <p>
            <s xml:id="echoid-s5396" xml:space="preserve">Quoniam ab aliquot retro temporibus nonnulli Eruditi haud exi-
              <lb/>
            guam collocarunt operam, ut ſimplicem commodamque invenirent
              <lb/>
            & </s>
            <s xml:id="echoid-s5397" xml:space="preserve">conſtruerent machinam, cujus auxilio Declinatio Verſoriorum
              <lb/>
            accurate detegeretur, operæ pretium eſſe judicavimus hic adjungere
              <lb/>
            obſervationes, quas inter conſtruendam ejuſmodi machinam, </s>
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