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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        <div xml:id="echoid-div30" type="section" level="1" n="30">
          <pb o="51" file="0065" n="65" rhead="DE MAGNETE."/>
          <note position="right" xml:space="preserve">
            <lb/>
          45 # 4 # 30 # 40 # 51 # 3 # 0 # 25
            <lb/>
          48 # 3 # 50 # 30 # 54 # 2 # 35 # 20
            <lb/>
          51 # 3 # 20 # 20 # 57 # 2 # 15 # 15
            <lb/>
          54 # 3 # 0 # 15 # 60 # 2 # 0 # 0
            <lb/>
          57 # 2 # 45 # 15
            <lb/>
          60 # 2 # 30 # 0
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s1185" xml:space="preserve">Quia in his Experimentis non accurate videre poſſumus diſtantias
              <lb/>
            Magnetis ab acu; </s>
            <s xml:id="echoid-s1186" xml:space="preserve">juſſit Societas Regia, ut Nob. </s>
            <s xml:id="echoid-s1187" xml:space="preserve">Brook Taylor caperet
              <lb/>
            experimenta alio & </s>
            <s xml:id="echoid-s1188" xml:space="preserve">clariori modo de viribus Magnetis, adeoque hic
              <lb/>
            ſubtilis egregiuſque Mathematicus poſuit acum in centro Quadrantis
              <lb/>
            prioris, & </s>
            <s xml:id="echoid-s1189" xml:space="preserve">Magnetem, cujus axis in plano horizontali jacebat, admovit
              <lb/>
            removitque ab Acu in linea recta, quæ cum naturali directione Acus
              <lb/>
            faceret angulum rectum: </s>
            <s xml:id="echoid-s1190" xml:space="preserve">tunc diſtantias menſurans perlineam inter
              <lb/>
            centrum & </s>
            <s xml:id="echoid-s1191" xml:space="preserve">Magnetem interjacentem; </s>
            <s xml:id="echoid-s1192" xml:space="preserve">condidit ſequentem tabulam.</s>
            <s xml:id="echoid-s1193" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">
            <lb/>
          Diſtantia \\ in pedibus # Variatio \\ Acus
            <lb/>
          # Gr. # m.
            <lb/>
          1 # 81 # 45
            <lb/>
          2 # 58 # 0
            <lb/>
          3 # 30 # 0
            <lb/>
          4 # 16 # 0
            <lb/>
          5 # 9 # 20
            <lb/>
          6 # 5 # 35
            <lb/>
          7 # 3 # 30
            <lb/>
          8 # 2 # 20
            <lb/>
          9 # 1 # 35
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s1194" xml:space="preserve">Hæc Experimenta facta ſunt cum Magnete præſtantiſſimo Socie-
              <lb/>
            tatis Regiæ; </s>
            <s xml:id="echoid-s1195" xml:space="preserve">ſed quoniam in hiſce non obſervata fuit ſimilis poſitio
              <lb/>
            Lineæ, in qua movebatur Magnes verſus acum, quod erat admo-
              <lb/>
            dum neceſſarium, non multum ex his concludi poterat, obſervante
              <lb/>
            Whiſtono, qui idcirco alia experimenta de novo inſtituit: </s>
            <s xml:id="echoid-s1196" xml:space="preserve">imo ar-
              <lb/>
            bitror hiſce methodis nos voti compotes fieri non poſſe, uti pate-
              <lb/>
            bit ex ſcrupulo, quem in medium proferam, poſtquam Whiſtoni ob-
              <lb/>
            ſervationes annotavero. </s>
            <s xml:id="echoid-s1197" xml:space="preserve">Operæ pretium autem eſſe indicavi </s>
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