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 handwritten notes

< >
< >
page |< < (205) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div128" type="section" level="1" n="128">
          <p>
            <s xml:id="echoid-s4850" xml:space="preserve">
              <pb o="205" file="0219" n="219" rhead="DE MAGNETE."/>
            dine Auſtrali 35°, 25?</s>
            <s xml:id="echoid-s4851" xml:space="preserve">, ſub Meridiano Madagaſcar, erat Inclinatio
              <lb/>
            90 graduum; </s>
            <s xml:id="echoid-s4852" xml:space="preserve">ſub latitudine 34°, 44?</s>
            <s xml:id="echoid-s4853" xml:space="preserve">, plaga verſus Hypocæciam,
              <lb/>
            ſeu N, O, O. </s>
            <s xml:id="echoid-s4854" xml:space="preserve">eadem Inclinatio vigebat: </s>
            <s xml:id="echoid-s4855" xml:space="preserve">ſub latitudine 34°. </s>
            <s xml:id="echoid-s4856" xml:space="preserve">44? </s>
            <s xml:id="echoid-s4857" xml:space="preserve">& </s>
            <s xml:id="echoid-s4858" xml:space="preserve">
              <lb/>
            600 Milliaribus a Promontorio Bonæ Spei erat iterum eadem In-
              <lb/>
            clinatio: </s>
            <s xml:id="echoid-s4859" xml:space="preserve">ſub latitudine 30°, 40?</s>
            <s xml:id="echoid-s4860" xml:space="preserve">, & </s>
            <s xml:id="echoid-s4861" xml:space="preserve">800 Milliaribus ab eodem Pro-
              <lb/>
            montorio adhuc erat eadem Inclinatio; </s>
            <s xml:id="echoid-s4862" xml:space="preserve">imo & </s>
            <s xml:id="echoid-s4863" xml:space="preserve">ſub latitudine 29°,
              <lb/>
            47? </s>
            <s xml:id="echoid-s4864" xml:space="preserve">ulterius verſus Hypocæciam erat eadem Inclinatio: </s>
            <s xml:id="echoid-s4865" xml:space="preserve">data igitur
              <lb/>
            eadem Inclinatione ſub longitudine diverſiſſima, æquali pluribus
              <lb/>
            centenis Milliaribus itineris, & </s>
            <s xml:id="echoid-s4866" xml:space="preserve">ſub latitudine diverſiſſima, quid nam
              <lb/>
            certi ſtabiliri de vero loco, in quo navis verſatur, poterit? </s>
            <s xml:id="echoid-s4867" xml:space="preserve">Inſpectis
              <lb/>
            quoque Poundii obſervationibus, eadem animadvertentur, nam in
              <lb/>
            illis notatur ſub latitudine Auſtrali 36°, 56? </s>
            <s xml:id="echoid-s4868" xml:space="preserve">& </s>
            <s xml:id="echoid-s4869" xml:space="preserve">longitudine 71°, 12?
              <lb/>
            </s>
            <s xml:id="echoid-s4870" xml:space="preserve">a Promontorio Bonæ Spei, Inclinatio 68 graduum, quæ eadem per-
              <lb/>
            manſit in latitudine 34°, 7?</s>
            <s xml:id="echoid-s4871" xml:space="preserve">, & </s>
            <s xml:id="echoid-s4872" xml:space="preserve">longitudine 78°, 32?</s>
            <s xml:id="echoid-s4873" xml:space="preserve">. tum in lati-
              <lb/>
            tudine 30°. </s>
            <s xml:id="echoid-s4874" xml:space="preserve">11?</s>
            <s xml:id="echoid-s4875" xml:space="preserve">. & </s>
            <s xml:id="echoid-s4876" xml:space="preserve">longitudine 86°, 28?</s>
            <s xml:id="echoid-s4877" xml:space="preserve">. Opinor has diſſicultates
              <lb/>
            tanti eſſe ponderis, ut nemo ex Acu Inclinatoria amplius tam opi-
              <lb/>
            mos, exſpectet fructus, aut hac via longitudines locorum inve-
              <lb/>
            ſtigandas eſſe exiſtimet.</s>
            <s xml:id="echoid-s4878" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4879" xml:space="preserve">Multo melius hujus Acûs ope polorum Magneticorum in ter-
              <lb/>
            ra veri ſitus, magnitudines, perpetuaque converſio demonſtrabi-
              <lb/>
            tur; </s>
            <s xml:id="echoid-s4880" xml:space="preserve">hoc ſcopo cum illa ab Itineratoribus & </s>
            <s xml:id="echoid-s4881" xml:space="preserve">Philoſophis obſer-
              <lb/>
            vationes capiendæ ſunt, quas nunc modo in utilitatem poſteri-
              <lb/>
            tatis colligere licet, & </s>
            <s xml:id="echoid-s4882" xml:space="preserve">par eſt. </s>
            <s xml:id="echoid-s4883" xml:space="preserve">Utinam deſiderio doctrinam
              <lb/>
            Magneticam promovendi ſlagrent plurimi rerum Naturalium ſcru-
              <lb/>
            tatores, ut Lapidis miriſicam & </s>
            <s xml:id="echoid-s4884" xml:space="preserve">adeo abſtruſam Naturam eruant
              <lb/>
            cognoſcantque; </s>
            <s xml:id="echoid-s4885" xml:space="preserve">nam ex ea non unius Lapidis tantum, ſed plu-
              <lb/>
            rimorum, imo omnium corporum vis attractrix forſitan intelli-
              <lb/>
            getur, qua cognita magnus in Phyſica foret factus progroſſus:
              <lb/>
            </s>
            <s xml:id="echoid-s4886" xml:space="preserve">Si autem poſteritati prodeſſe cupiamus, oportet ut cum Acubus
              <lb/>
            Inclinatoriis, æque longis, æque gravibus, ſiguræ ſibi ſimillimis,
              <lb/>
            perfectiſſime elaboratis, obſervationes ubivis terrarum capiamus; </s>
            <s xml:id="echoid-s4887" xml:space="preserve">vix
              <lb/>
            autem tantus hominum conſenſus ſperari poteſt, aut tanta laborum
              <lb/>
            conſtantia, cum plurimi pulcrius, ſaltem jucundius eſſe, judicent,
              <lb/>
            rerum cauſas divinare, callide de iis ex hypotheſi diſſerere,
              <lb/>
            quam tædioſis obſervationibus capiendis dare operam: </s>
            <s xml:id="echoid-s4888" xml:space="preserve">quibus ac-
              <lb/>
            œdit, diſſicillime & </s>
            <s xml:id="echoid-s4889" xml:space="preserve">tantum a pauciſſimis accurata poſſe capi </s>
          </p>
        </div>
      </text>
    </echo>
Impressum