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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        <div xml:id="echoid-div312" type="section" level="1" n="312">
          <pb o="407" file="0421" n="421" rhead="DE MAGNITUDINE TERRÆ."/>
          <note position="right" xml:space="preserve">
            <lb/>
          tia E V inter Trajectum & Leidam # 11589, 8.
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          Et V S inter Goudam & Trajectum # 7842, 4.
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          </note>
          <p>
            <s xml:id="echoid-s9351" xml:space="preserve">Hos angulos accuratiſſime menſuravi, deprehendique eos diſcre-
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            pare ab iis, quos Snellius poſuit, quod factum videtur, quia quando
              <lb/>
            Leida e Turri Trajectina conſpicitur, duas ſibi vicinas turres ex-
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            hibet, quarum una pro altera facile ſumitur, imprimis ſi cælum non
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            fuerit admodum ſerenum, qui error ope Teleſcopiorum, quibus
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            Quadrans noſter inſtructus eſt, evitatus facile fuit.</s>
            <s xml:id="echoid-s9352" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div313" type="section" level="1" n="313">
          <head xml:id="echoid-head394" xml:space="preserve">
            <emph style="sc">Problema</emph>
          XXI.</head>
          <head xml:id="echoid-head395" style="it" xml:space="preserve">Triangulum E R V, connectens Trajectum, Leidam,
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          Dordracum.</head>
          <note position="right" xml:space="preserve">
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          Per Problema XVI. datur diſtantia inter Leidam & \\ Dordracum # 10663, 7.
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          Et ex obſervatis angulus R E V # 63 gr. 23?.
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          Angulus E V R # 54 gr. 25?.
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          Angulus E R V # 62 gr. 12?.
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          Unde per doctrinam Triangulorum invenietur E V \\ diſtantia inter Leidam & Ultrajectum # 11589, 8.
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          Tum V R inter Dordracum & Trajectum # 11749, 9.
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          Non differt diſtantia inter Leidam & Trajectum in \\ hoc & præcedenti Problemate, eſtque exigua diffe- \\ rentia inter noſtram & Snellianam menſuram, quæ eſt # 11584, 0.
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          </note>
          <p>
            <s xml:id="echoid-s9353" xml:space="preserve">Aſt ingens eſt diſcrepantia inter Dordracum & </s>
            <s xml:id="echoid-s9354" xml:space="preserve">Ultra-
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            jectum, ultra 100 perticarum.</s>
            <s xml:id="echoid-s9355" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div314" type="section" level="1" n="314">
          <head xml:id="echoid-head396" xml:space="preserve">
            <emph style="sc">Problema.</emph>
          XXII.</head>
          <head xml:id="echoid-head397" style="it" xml:space="preserve">Triangulum E M V. Leida, Oudewatera, Vltrajectum.</head>
          <note position="right" xml:space="preserve">
            <lb/>
          Per Problema XX & XXI datur E V diſtantia # 11589, 8.
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          Et ex obſervatis angulus M E V # 20 gr. 26?.
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          Angulus E V M # 34 gr. 18?.
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          Et angulus E M V # 125 gr. 16.
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          </note>
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