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-div44" type="section" level="1" n="30">
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            <s xml:id="echoid-s2078" xml:space="preserve">
              <pb o="8" file="0124" n="129" rhead="GEOMETRIA SVBTERRANEA."/>
            Appellationes reliquas, germanis praeſertim uſitatas, ono-
              <lb/>
            maſticorum ſcriptores deinceps laudandi exponunt.</s>
            <s xml:id="echoid-s2079" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div45" type="section" level="1" n="31">
          <head xml:id="echoid-head48" xml:space="preserve">DEFINITIO VIII.</head>
          <p>
            <s xml:id="echoid-s2080" xml:space="preserve">11. </s>
            <s xml:id="echoid-s2081" xml:space="preserve">Inter cryptas inprimis memorabilis, et peculiaribus quo-
              <lb/>
            que iuribus a reliquis ſecreta eſt, quam Cuniculum (Stolln)
              <lb/>
            dicunt. </s>
            <s xml:id="echoid-s2082" xml:space="preserve">Qui nempe horizontali fere ductu, per unam plu-
              <lb/>
            reſue fodinarum regiones, (Sympoſia, Zechen) agitur,
              <lb/>
            ut per eum ad fodinas aeris liberi circulus producatur,
              <lb/>
            halitusque foſſoribus noxii auertantur, et aquae etiam
              <lb/>
            undiquaque ex terra prorumpentes, collectaeque, in proxi-
              <lb/>
            mas ualles deriuentur.</s>
            <s xml:id="echoid-s2083" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div46" type="section" level="1" n="32">
          <head xml:id="echoid-head49" xml:space="preserve">DEFINITIO IX.</head>
          <p>
            <s xml:id="echoid-s2084" xml:space="preserve">12. </s>
            <s xml:id="echoid-s2085" xml:space="preserve">Situs ſpecuum, tum qua obliquitatem ad horizontem,
              <lb/>
            ſiue lineam horizontalem, tum qua partes uel plagas
              <lb/>
            mundi, ſpectari poteſt. </s>
            <s xml:id="echoid-s2086" xml:space="preserve">De poſteriore, ſuo loco agetur.
              <lb/>
            </s>
            <s xml:id="echoid-s2087" xml:space="preserve">Quoad primum uero, hic explicanda eſt diuiſio crypta-
              <lb/>
            rum in ſurgentes uel aſcendentes, (ſteigende) & </s>
            <s xml:id="echoid-s2088" xml:space="preserve">in cadentes. </s>
            <s xml:id="echoid-s2089" xml:space="preserve">
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            (ſallende) illae ſunt, quae ſupra horizontalem, in qua
              <lb/>
            obſeruatio inſtituitur, ad uerticem attolluntur, ſiue, in
              <lb/>
            quibus filum, ex quo pondus in libella dependet, ante
              <lb/>
            normalem cadit. </s>
            <s xml:id="echoid-s2090" xml:space="preserve">Cadentes ſunt, quae infra horizonta-
              <lb/>
            lem, in qua fit obſeruatio, inclinantur, ſiue, in quibus
              <lb/>
            filum libellae a pondere ſuo poſt normalem trahitur. </s>
            <s xml:id="echoid-s2091" xml:space="preserve">
              <lb/>
            Obliquitas fodinarum uocatur germanis menſoribus die
              <lb/>
            Donlege.</s>
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        <div xml:id="echoid-div47" type="section" level="1" n="33">
          <head xml:id="echoid-head50" xml:space="preserve">CONSECTARIVM.</head>
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            <s xml:id="echoid-s2093" xml:space="preserve">13. </s>
            <s xml:id="echoid-s2094" xml:space="preserve">Haec de ſurgentibus uel cadentibus fodinis obſeruatio
              <lb/>
            omnino ad mutuam proximarum poſitionem pertinet.
              <lb/>
            </s>
            <s xml:id="echoid-s2095" xml:space="preserve">Nam dum deſcendit menſor per cauernam inclinatam, caſum
              <lb/>
            eius notare debet, ſi uero ex imo ſurſum pergendo menſuras
              <lb/>
            caperet, fieret aſcendenti ſurgens fodina, quae deſcendenti
              <lb/>
            cadens erat. </s>
            <s xml:id="echoid-s2096" xml:space="preserve">Quamobrem ad locum, ubi inclinationes no-
              <lb/>
            tantur, reſtrictas uolui definitiones. </s>
            <s xml:id="echoid-s2097" xml:space="preserve">Praeterea cum </s>
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