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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          # Lin. # Gran.
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          # 6 # 164
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          # 5 # 201
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          # 4 # 229
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          # 3 # 285
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          # 2 # 361
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          # 1 # 472
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          # 0 # 1312
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        <div xml:id="echoid-div27" type="section" level="1" n="27">
          <head xml:id="echoid-head35" xml:space="preserve">EXPERIMENTUM XIX.</head>
          <p>
            <s xml:id="echoid-s905" xml:space="preserve">Antequam has obſervationes ad examen vocem, adnotabo prius
              <lb/>
            adhuc alias, quas non indignas attentione noſtra opinor: </s>
            <s xml:id="echoid-s906" xml:space="preserve">Eum in
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            finem autem ſequentia tentamina feci, ut viderem quænam ſoret
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            differentia inter attractiones ejusdem Magnetis, poſita maſſa ferrea
              <lb/>
            minori vel alterius figuræ, eademve locata in alio ſitu: </s>
            <s xml:id="echoid-s907" xml:space="preserve">ſumſi
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            igitur pedem armaturæ Magnetis prius ignitum, ut vim exueret Ma-
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            gneticam, quem refert Tab. </s>
            <s xml:id="echoid-s908" xml:space="preserve">6. </s>
            <s xml:id="echoid-s909" xml:space="preserve">Fig. </s>
            <s xml:id="echoid-s910" xml:space="preserve">4. </s>
            <s xml:id="echoid-s911" xml:space="preserve">erat hic pes A B C D modo
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            lamina ferri tenuis, ponderis ℥ij, cui parvus pes EF cubicus appen-
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            debat, cujus latus quadratum F, quod Magneti obvertebatur, erat
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            circiter 9 linearum quadratarum, attractiones illius fuerunt ſequen-
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            tes, ad diſtantias</s>
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          Pollic. # Lin. # Granis æqualis attractio.
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          4 # 6 # 0
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          3 # 10 # 1
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          3 # 7 # 1 {1/4}
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          2 # 5 # 3 {1/2}
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          2 # 0 # 6 {1/2}
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          1 # 11 # 7
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          1 # 6 # 10
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          1 # 4 # 15
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          # 12 # 25
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          # 11 # 30
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          # 10 # 33
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          # 9 # 37
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          # 8 # 40
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