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

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            ut ſcintillet, tumque ex Igne eximatur, & </s>
            <s xml:id="echoid-s2997" xml:space="preserve">colligantur Scintillæ
              <lb/>
            expulſæ, Sphæricæ, quæ in vitrum abiverunt, hæ nec attrahun-
              <lb/>
            tur a Magnete, nec Acum Nauticam ullo modo ex ſuâ viâ detorquent:
              <lb/>
            </s>
            <s xml:id="echoid-s2998" xml:space="preserve">Eſt vitrificatio productum ultimum, ad quod metallum aliudve cor-
              <lb/>
            pus reduci poteſt: </s>
            <s xml:id="echoid-s2999" xml:space="preserve">conſtat hoc vitrum ex Terrâ, ſed an alia admixta
              <lb/>
            habeat, diſtinguere non licet. </s>
            <s xml:id="echoid-s3000" xml:space="preserve">Quamobrem terra Ferri ſummo acta
              <lb/>
            Igne non amplius vim Magneticam habet, imo nequidem recipere
              <lb/>
            poteſt.</s>
            <s xml:id="echoid-s3001" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3002" xml:space="preserve">Scoriæ Ferri, quæ ſupra incudem ex cuſo Ferro decidunt, & </s>
            <s xml:id="echoid-s3003" xml:space="preserve">
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            latæ planæque ſunt, attrahuntur fortiſſime a Magnete, & </s>
            <s xml:id="echoid-s3004" xml:space="preserve">ſemel
              <lb/>
            attractæ vim recipiunt, quam aliquamdiu retinent: </s>
            <s xml:id="echoid-s3005" xml:space="preserve">cæteroquin
              <lb/>
            modo exceptæ a Ferro, tumque oppoſitæ Acui Magneticæ; </s>
            <s xml:id="echoid-s3006" xml:space="preserve">non
              <lb/>
            multum in ipſam agunt, eam tamen detorquent a ſua viâ.</s>
            <s xml:id="echoid-s3007" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3008" xml:space="preserve">Sunt hæ Scoriæ minus combuſtæ ab Igne, quam globi vitrificati,
              <lb/>
            orbatæ tamen ſunt Sulphure, & </s>
            <s xml:id="echoid-s3009" xml:space="preserve">Sale, hinc non amplius in Igne
              <lb/>
            liqueſcunt, nec ardent: </s>
            <s xml:id="echoid-s3010" xml:space="preserve">continent hæ itaque in ſe vel illud princi-
              <lb/>
            pium, vel corporum genus, quod adhuc a Magnete attrahitur, & </s>
            <s xml:id="echoid-s3011" xml:space="preserve">
              <lb/>
            quod Igne vehementi continuato tandem avolat, ante quam maſſa in
              <lb/>
            vitrum abit: </s>
            <s xml:id="echoid-s3012" xml:space="preserve">quamobrem id corporis genus, quod in Ferro eſt,
              <lb/>
            & </s>
            <s xml:id="echoid-s3013" xml:space="preserve">quod ſolum attrahitur, non videtur magnam in eo conſtituere
              <lb/>
            copiam, cum Ferrum conſtet ex maxima patte Sulphuris, & </s>
            <s xml:id="echoid-s3014" xml:space="preserve">ex ma-
              <lb/>
            teria copioſa, quæ in vitrum abit; </s>
            <s xml:id="echoid-s3015" xml:space="preserve">eſt id autem valde fixum, nam
              <lb/>
            non avolat ex tota maſſa, niſi cum in vitrum abibit, quod modo
              <lb/>
            ſit Igne terreſtri vehementiſſimo omnium, quem excitare ars po-
              <lb/>
            teſt.</s>
            <s xml:id="echoid-s3016" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3017" xml:space="preserve">Quod ſi ex Ferro, id quod attrahitur a Magnete, elici poſſet
              <lb/>
            ſolum, id vehementiſſime attraheret & </s>
            <s xml:id="echoid-s3018" xml:space="preserve">attraheretur, & </s>
            <s xml:id="echoid-s3019" xml:space="preserve">quo pro-
              <lb/>
            piores ſumus ad id purum habendum, eo maſſam fortius attrahen-
              <lb/>
            tem poſſidemus. </s>
            <s xml:id="echoid-s3020" xml:space="preserve">Eum in finem conatus fui Ferrum ſpoliare reliquo
              <lb/>
            omni, quod non attrahitur a Magnete, ſequenti modo; </s>
            <s xml:id="echoid-s3021" xml:space="preserve">Limatu-
              <lb/>
            ram Ferri in aliqua diſtantia ab Acu, 6 pollices longa, poſui, eam
              <lb/>
            admovi, donec manifeſto percipiebam Acum agere in Limaturam & </s>
            <s xml:id="echoid-s3022" xml:space="preserve">
              <lb/>
            a ſuâ directione turbari: </s>
            <s xml:id="echoid-s3023" xml:space="preserve">tum Limaturam indidi phialæ parvæ vi-
              <lb/>
            treæ, quam in eodem arcu circuli, quem cuſpis Acûs deſcribit,
              <lb/>
            poſui, ad diſtantiam {1/2} pollicis a ſe mutuo, cuſpis Acus attracta ad-
              <lb/>
            hæſit ſuperficiei phialæ, huic ita quieſcenti infudi leniter oleum </s>
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