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

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        <div xml:id="echoid-div115" type="section" level="1" n="83">
          <pb o="60" file="0176" n="181" rhead="GEOMETRIA SVBTERRANEA."/>
        </div>
        <div xml:id="echoid-div116" type="section" level="1" n="84">
          <head xml:id="echoid-head103" xml:space="preserve">SCHOLION I.</head>
          <p style="it">
            <s xml:id="echoid-s2975" xml:space="preserve">59. </s>
            <s xml:id="echoid-s2976" xml:space="preserve">Ex hoc ſyllabo apparet 1) quod ubi nullus libellae angulus indi-
              <lb/>
            catur, linea ſit horizontalis. </s>
            <s xml:id="echoid-s2977" xml:space="preserve">2) cathetum ſurgentium ſpe-
              <lb/>
            cuum, utpote minorem, ſubtractum a catheto cadentium, relinquere
              <lb/>
            1 {5/8} Uln. </s>
            <s xml:id="echoid-s2978" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2979" xml:space="preserve">dig. </s>
            <s xml:id="echoid-s2980" xml:space="preserve">pro caſu, ſiue pro perpendiculari diſtantia ſuperficiei
              <lb/>
            aquae a linea horizontali per extremum cuniculi oſtium producta.</s>
            <s xml:id="echoid-s2981" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div117" type="section" level="1" n="85">
          <head xml:id="echoid-head104" xml:space="preserve">SCHOLION II.</head>
          <p style="it">
            <s xml:id="echoid-s2982" xml:space="preserve">60. </s>
            <s xml:id="echoid-s2983" xml:space="preserve">Quia eorum, quae circa fodinarum dimenſionem et compara-
              <lb/>
            tionem neceſſaria ſunt, inuentio ſine ichnographia fieri nequit,
              <lb/>
            de ea ut nunc explicetur, ordo iubet.</s>
            <s xml:id="echoid-s2984" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div118" type="section" level="1" n="86">
          <head xml:id="echoid-head105" xml:space="preserve">DEFINITIO XIIX.</head>
          <p>
            <s xml:id="echoid-s2985" xml:space="preserve">61. </s>
            <s xml:id="echoid-s2986" xml:space="preserve">Ichnographia eſt deſcriptio ueſtigii ſpecuum ſubterraneo-
              <lb/>
            rum, ſiue areae, in quam meatus huc illuc reflexi, et
              <lb/>
            horizontaliſitu repraeſentati, diffunduntur.</s>
            <s xml:id="echoid-s2987" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div119" type="section" level="1" n="87">
          <head xml:id="echoid-head106" xml:space="preserve">CONSECTARIVM.</head>
          <p>
            <s xml:id="echoid-s2988" xml:space="preserve">62. </s>
            <s xml:id="echoid-s2989" xml:space="preserve">Putei igitur perpendicularis ueſtigium oſtium praebet,
              <lb/>
            atque ſic etiam delineatur.</s>
            <s xml:id="echoid-s2990" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div120" type="section" level="1" n="88">
          <head xml:id="echoid-head107" xml:space="preserve">PROBLEMA VI.</head>
          <p style="it">
            <s xml:id="echoid-s2991" xml:space="preserve">63. </s>
            <s xml:id="echoid-s2992" xml:space="preserve">Icbnographiam fodinarum, in quibus compaſſus adbibitus fuit,
              <lb/>
            delineare.</s>
            <s xml:id="echoid-s2993" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2994" xml:space="preserve">Reſolutio. </s>
            <s xml:id="echoid-s2995" xml:space="preserve">1. </s>
            <s xml:id="echoid-s2996" xml:space="preserve">Reſolue dimenſiones in ſpecubus ca-
              <lb/>
            ptas, et perpendicula ac baſes@quaere pro hypotenuſis, et
              <lb/>
            in tabulas refer. </s>
            <s xml:id="echoid-s2997" xml:space="preserve">(§. </s>
            <s xml:id="echoid-s2998" xml:space="preserve">59.)</s>
            <s xml:id="echoid-s2999" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3000" xml:space="preserve">2. </s>
            <s xml:id="echoid-s3001" xml:space="preserve">In tabula horizontali pone et cera affige folium
              <lb/>
            chartae.</s>
            <s xml:id="echoid-s3002" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3003" xml:space="preserve">3. </s>
            <s xml:id="echoid-s3004" xml:space="preserve">Compaſſum inſere inſtrumento lineationis, et
              <lb/>
              <note position="left" xlink:label="note-0176-01" xlink:href="note-0176-01a" xml:space="preserve">Figur. 10.</note>
            idem ita diſpone, ut primae lineae horam bc indicet, de-
              <lb/>
            inde duc ceruſſa iuxta latera inſtrumenti lineam obſcuram,
              <lb/>
            et eius magnitudinem ſcala menſuratam defini;</s>
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