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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          <pb o="672" file="0688" n="689" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
          <note position="right" xml:space="preserve">
            <lb/>
          # Numerus ictuum. # Gravitates ſpecificæ. # Durities.
            <lb/>
          Metallum. Plumbum # 27 # 11,325 # 2,304
            <lb/>
          Stannum # 35 # 7,471 # 4,550
            <lb/>
          Argentum minoris valoris \\ Hollandici # 171 # 10,340 # 16,536
            <lb/>
          Aurum ducator. # 240 # 18,261 # 13,142
            <lb/>
          Cuprum rubrum # 99 # 8,784 # 11,278
            <lb/>
          Orichalcum # 312 # 8,000 # 39,
            <lb/>
          Ferrum Suecicum # 616 # 7,645 # 80,575
            <lb/>
          Aqua vulgaris # # 1,000 #
            <lb/>
          </note>
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            <s xml:id="echoid-s17038" xml:space="preserve">Si corpora duriora Chalybe, aut æque dura exploranda forent,
              <lb/>
            prius cuneus multo durior ex aliâ materiâ conficiendus erit: </s>
            <s xml:id="echoid-s17039" xml:space="preserve">atta-
              <lb/>
            men dubito an corpora valde fragilia, uti vitrum & </s>
            <s xml:id="echoid-s17040" xml:space="preserve">ſimilia, hac
              <lb/>
            methodo exmianari poſſent, cum ſimulac aliqua vi cuneus in ipſa adi-
              <lb/>
            gatur, ſtatim in plurima diſſilient fragmenta: </s>
            <s xml:id="echoid-s17041" xml:space="preserve">ſed præſtantior & </s>
            <s xml:id="echoid-s17042" xml:space="preserve">
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            univerſalior methodus a poſteris quidem invenietur, monere tan-
              <lb/>
            tum voluimus, quid incognitum in doctrina Cohærentiæ corpo-
              <lb/>
            rum firmorum & </s>
            <s xml:id="echoid-s17043" xml:space="preserve">accuratius indagandum reſtabat.</s>
            <s xml:id="echoid-s17044" xml:space="preserve"/>
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