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

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            <s xml:id="echoid-s286" xml:space="preserve">
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            aliaque deſcripſit Leewenhoekius in Phil. </s>
            <s xml:id="echoid-s287" xml:space="preserve">Tranſ. </s>
            <s xml:id="echoid-s288" xml:space="preserve">No. </s>
            <s xml:id="echoid-s289" xml:space="preserve">371. </s>
            <s xml:id="echoid-s290" xml:space="preserve">Haſce
              <lb/>
            generationes Magnetum ex ferro corroſo notavit etiam Vallemontius
              <lb/>
            in deſcriptione Magnetis Chartrenſis: </s>
            <s xml:id="echoid-s291" xml:space="preserve">tum Gaſſendus in Scientia Phyſi-
              <lb/>
            ca, Sect. </s>
            <s xml:id="echoid-s292" xml:space="preserve">3. </s>
            <s xml:id="echoid-s293" xml:space="preserve">pag. </s>
            <s xml:id="echoid-s294" xml:space="preserve">128. </s>
            <s xml:id="echoid-s295" xml:space="preserve">& </s>
            <s xml:id="echoid-s296" xml:space="preserve">ad Epicurum pag. </s>
            <s xml:id="echoid-s297" xml:space="preserve">205. </s>
            <s xml:id="echoid-s298" xml:space="preserve">Dechales in curſu
              <lb/>
            Mathematico: </s>
            <s xml:id="echoid-s299" xml:space="preserve">Philip. </s>
            <s xml:id="echoid-s300" xml:space="preserve">Coſta Mantuanus in Libro de compoſitionibus
              <lb/>
            Antidotorum. </s>
            <s xml:id="echoid-s301" xml:space="preserve">Schottus in Magia magnetica pag. </s>
            <s xml:id="echoid-s302" xml:space="preserve">225, 231. </s>
            <s xml:id="echoid-s303" xml:space="preserve">Ca-
              <lb/>
            bæus in Philoſ. </s>
            <s xml:id="echoid-s304" xml:space="preserve">Magn. </s>
            <s xml:id="echoid-s305" xml:space="preserve">Lib. </s>
            <s xml:id="echoid-s306" xml:space="preserve">1. </s>
            <s xml:id="echoid-s307" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s308" xml:space="preserve">17. </s>
            <s xml:id="echoid-s309" xml:space="preserve">pag. </s>
            <s xml:id="echoid-s310" xml:space="preserve">62. </s>
            <s xml:id="echoid-s311" xml:space="preserve">Sturmius in Phyſi-
              <lb/>
            ca Electiva Tom. </s>
            <s xml:id="echoid-s312" xml:space="preserve">2. </s>
            <s xml:id="echoid-s313" xml:space="preserve">pag. </s>
            <s xml:id="echoid-s314" xml:space="preserve">1090 La Hire in Journal des Scavans
              <lb/>
            Ao. </s>
            <s xml:id="echoid-s315" xml:space="preserve">1691. </s>
            <s xml:id="echoid-s316" xml:space="preserve">Rohaultus in Phyſica, part. </s>
            <s xml:id="echoid-s317" xml:space="preserve">3. </s>
            <s xml:id="echoid-s318" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s319" xml:space="preserve">8. </s>
            <s xml:id="echoid-s320" xml:space="preserve">§. </s>
            <s xml:id="echoid-s321" xml:space="preserve">39. </s>
            <s xml:id="echoid-s322" xml:space="preserve">imo Aldro-
              <lb/>
            vandus in ſuo muſæo ejusmodi fragmentum conſervabat, petitum ex
              <lb/>
            Templo Italico Arimini.</s>
            <s xml:id="echoid-s323" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s324" xml:space="preserve">Novi equidem Nob. </s>
            <s xml:id="echoid-s325" xml:space="preserve">Boyleum dubitaſſe an unquam ferrum
              <lb/>
            hoc modo in Magnetem abiret, ſimilem illis, qui eruuntur ex fodi-
              <lb/>
            nis, ſed maxima ſimilitudo quoad colorem, ſubſtantiam, duriti-
              <lb/>
            em, aliaque attributa intercedit inter fragmenta ferrea, quæ conſervo,
              <lb/>
            & </s>
            <s xml:id="echoid-s326" xml:space="preserve">inter Naturales Magnetes, ſi oculo attento aut Microſcopiis in-
              <lb/>
            ſpiciantur, ut dubium ſuperſit nullum.</s>
            <s xml:id="echoid-s327" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s328" xml:space="preserve">Vallemontius hoc aliis adſtruxit argumentis: </s>
            <s xml:id="echoid-s329" xml:space="preserve">(1) ſi ſuper Magne-
              <lb/>
            tem generatum ex ferro fundatur Aqua fortis, Spiritus nitri, vel Spi-
              <lb/>
            ritus vitrioli, nulla fit ebullitio, effervelcentia, nec exhalatio: </s>
            <s xml:id="echoid-s330" xml:space="preserve">hi
              <lb/>
            iidem ſpiritus acidi affuſi Magneti nigro naturali, ſive ex fodinis ef-
              <lb/>
            foſſo, etiam non efferveſcunt, nec motus cient, notante eodem Auto-
              <lb/>
            re, atque etiam Grewo: </s>
            <s xml:id="echoid-s331" xml:space="preserve">hi tamen ſpiritus affuſi Limaturæ ferri, vehe-
              <lb/>
            menter ebulliunt. </s>
            <s xml:id="echoid-s332" xml:space="preserve">(2) in calcem reductus eſt in Igne Magnes naturalis,
              <lb/>
            tum Magnes Chartrenſis ex ferro, iisque ſeorſim poſitis ſuperaffuſa
              <lb/>
            fuit aqua fortis, ſpiritus nitri, & </s>
            <s xml:id="echoid-s333" xml:space="preserve">ſpiritus vitrioli; </s>
            <s xml:id="echoid-s334" xml:space="preserve">hi ſpiritus abſorpti
              <lb/>
            ſunt introrſum a calce utraque, ſed lente & </s>
            <s xml:id="echoid-s335" xml:space="preserve">eodem modo, cum in Lima-
              <lb/>
            turam ferri cito deſcendunt cum diverſis Phænomenis: </s>
            <s xml:id="echoid-s336" xml:space="preserve">Poſtquam Che-
              <lb/>
            mici Ferrum in Aere poſitum vim Magneticam acquirere obſervarunt,
              <lb/>
            ſtatuerunt Aerem generare Magnetem: </s>
            <s xml:id="echoid-s337" xml:space="preserve">Vid. </s>
            <s xml:id="echoid-s338" xml:space="preserve">Theatri Chymic. </s>
            <s xml:id="echoid-s339" xml:space="preserve">vol. </s>
            <s xml:id="echoid-s340" xml:space="preserve">4.
              <lb/>
            </s>
            <s xml:id="echoid-s341" xml:space="preserve">pag. </s>
            <s xml:id="echoid-s342" xml:space="preserve">440.</s>
            <s xml:id="echoid-s343" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s344" xml:space="preserve">Sunt inter Magnetes ex ferro corrupto generatos aliqui tam for-
              <lb/>
            tes, ut viribus eos ſuperent, qui ex fodinis eruuntur, probante hoc
              <lb/>
            Chartrenſi, noſtrisque Trajectinis, aliisque: </s>
            <s xml:id="echoid-s345" xml:space="preserve">Generantur etiam Magne-
              <lb/>
            tes albi in ſpongiis marinis, quos obſervavit Kolbius, exhibuitque
              <lb/>
            in deſcriptione Promontorii Bonæ ſpei Tom. </s>
            <s xml:id="echoid-s346" xml:space="preserve">1. </s>
            <s xml:id="echoid-s347" xml:space="preserve">p. </s>
            <s xml:id="echoid-s348" xml:space="preserve">275. </s>
            <s xml:id="echoid-s349" xml:space="preserve">In </s>
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