Weidler, Johann Friedrich, Jo. Friderici Weidleri Tractatus de machinis hydraulicis toto terrarum orbe maximis Marlyensi et Londinensi et aliis rarioribus similibus in quo mensurae prope ipsas machinas notatae describuntur, et de viribus earum luculenter disseritur

Table of Notes

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          <pb o="55" file="0171" n="176" rhead="GEOMETRIA SVBTERRANEA."/>
        </div>
        <div xml:id="echoid-div108" type="section" level="1" n="78">
          <head xml:id="echoid-head97" xml:space="preserve">CONSECTARIVM.</head>
          <p>
            <s xml:id="echoid-s2878" xml:space="preserve">53. </s>
            <s xml:id="echoid-s2879" xml:space="preserve">Ex ultimae ſolutionis conſideratione cuiuis perſpicuum
              <lb/>
            eſt, eam ob ſpecuum anguſtiam, et quia in obſeruanda
              <lb/>
            hora facilius, quam in compaſſo penſili, error committitur,
              <lb/>
            priori merito poſtponi, u. </s>
            <s xml:id="echoid-s2880" xml:space="preserve">Voigtel. </s>
            <s xml:id="echoid-s2881" xml:space="preserve">p. </s>
            <s xml:id="echoid-s2882" xml:space="preserve">113.</s>
            <s xml:id="echoid-s2883" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div109" type="section" level="1" n="79">
          <head xml:id="echoid-head98" xml:space="preserve">PROBLEMA IV.</head>
          <p>
            <s xml:id="echoid-s2884" xml:space="preserve">54. </s>
            <s xml:id="echoid-s2885" xml:space="preserve">Ferrifodinas metiri.</s>
            <s xml:id="echoid-s2886" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2887" xml:space="preserve">Reſolutio prima. </s>
            <s xml:id="echoid-s2888" xml:space="preserve">1. </s>
            <s xml:id="echoid-s2889" xml:space="preserve">Alliga in principio fodinae fu-
              <lb/>
              <note position="right" xlink:label="note-0171-01" xlink:href="note-0171-01a" xml:space="preserve">Figur. 9.</note>
            niculum, et eum ſecundum axem uel parietem eius exten-
              <lb/>
            de, et in b cochlea fige.</s>
            <s xml:id="echoid-s2890" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2891" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2892" xml:space="preserve">Metire funem, et ſuſpenſa ex eodem libella, angu-
              <lb/>
            lum quaere.</s>
            <s xml:id="echoid-s2893" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2894" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2895" xml:space="preserve">Et quia in aditu ferrifodinarum non adeo magna
              <lb/>
            magnetis perturbatio timenda eſt, ſuſpende ex primo fu-
              <lb/>
            ne compaſſum, duobus locis, nota horam directionis, et
              <lb/>
            ſi acus non easdem circuli horarii partes indicat, utroque
              <lb/>
            extremo, elige horam, quae in ſummo, quod in ſuperfi-
              <lb/>
            ciem terrae protenditur, monſtrabatur, nam ibi minus co-
              <lb/>
            hiberi uim magneticam ueriſimile aſt, horam autem in in-
              <lb/>
            dice diligenter annota.</s>
            <s xml:id="echoid-s2896" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2897" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2898" xml:space="preserve">Tende alium funiculum be per ſequentem meatum,
              <lb/>
            atque eum cochlea firma, et libellam applica.</s>
            <s xml:id="echoid-s2899" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2900" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2901" xml:space="preserve">Vt habeatur angulus ab utroque funiculo in b fa-
              <lb/>
            ctus, alium funem c d ita duobus prioribus applica, ut re-
              <lb/>
            ctus ſit, nec a pariete aliquo cauernae curuetur. </s>
            <s xml:id="echoid-s2902" xml:space="preserve">Metire
              <lb/>
            deinceps lineas cb, bd, cd, et numeros in pugillares refer.
              <lb/>
            </s>
            <s xml:id="echoid-s2903" xml:space="preserve">ſuſpende etiam ex funiculo c d libellam, ſi placet, et quan-
              <lb/>
            do ſine curuatione funium a b, b e fieri poteſt.</s>
            <s xml:id="echoid-s2904" xml:space="preserve"/>
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