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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            <s xml:id="echoid-s1955" xml:space="preserve">
              <pb o="4" file="0120" n="125" rhead="PRAEFATIO."/>
            Hic ſcopus eſt praeſentis opuſculi, quod ſpero eo minus
              <lb/>
            improbatum iri eruditis, quo rariores de illo argu-
              <lb/>
            mento ſcriptores eſſe conſtat. </s>
            <s xml:id="echoid-s1956" xml:space="preserve"># Conſtitueram idem
              <lb/>
            inſerere inſtitutionibus mathematicis, poſt bydrau-
              <lb/>
            licam, uerum, ob rationes §. </s>
            <s xml:id="echoid-s1957" xml:space="preserve">42. </s>
            <s xml:id="echoid-s1958" xml:space="preserve">ibidem, p. </s>
            <s xml:id="echoid-s1959" xml:space="preserve">646.
              <lb/>
            </s>
            <s xml:id="echoid-s1960" xml:space="preserve">commemoratas, malui ſeparatim edere, et numeros,
              <lb/>
            quibus triangula commode ſoluuntur, ſubiungere. </s>
            <s xml:id="echoid-s1961" xml:space="preserve">
              <lb/>
            Ceterum illud quoque lectorem latere nolo, me, huius
              <lb/>
            tractationis rectius ſuſcipiendae cauſa, ſuperiore aeſta-
              <lb/>
            te Freibergam, montanarum miſniae urbium prin-
              <lb/>
            cipem, petiiſſe, et non ſolum in profundas, quae a S. </s>
            <s xml:id="echoid-s1962" xml:space="preserve">
              <lb/>
            Laurentio nomen habent, fodinas deſcendiſſe, eas-
              <lb/>
            demque et reliquum metallicae rei apparatum lu-
              <lb/>
            ſtraſſe, ſed etiam ſpeciatim de cryptarum dimenſione
              <lb/>
            illuſtranda, cum peritiſſimis illius artificii uiris
              <lb/>
            egiſſe, et eorum obſeruatis inſtitutiſque profeciſſe. </s>
            <s xml:id="echoid-s1963" xml:space="preserve">
              <lb/>
            Dab. </s>
            <s xml:id="echoid-s1964" xml:space="preserve">Vitembergae. </s>
            <s xml:id="echoid-s1965" xml:space="preserve">Non. </s>
            <s xml:id="echoid-s1966" xml:space="preserve">lanuar. </s>
            <s xml:id="echoid-s1967" xml:space="preserve">A. </s>
            <s xml:id="echoid-s1968" xml:space="preserve">1726.</s>
            <s xml:id="echoid-s1969" xml:space="preserve"/>
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          <note position="foot" xml:space="preserve">PETRVS RAMVS Scholar. mathem. Lib. 2. p. m. 63. Sequentem
            <lb/>
          in modum de arte laudata loquitur: Cum itaque de mundi nobilibus
            <lb/>
          ſcholis, ſtudioſe mortales omnes, qui aliunde peregre ad nos rediiſſent,
            <lb/>
          percunctarer, nulla in gente tam multas mathematici ſludii ſcholas
            <lb/>
          comperiebam, publicis ſtipendiis c@natas, quam in germania, cauſamque
            <lb/>
          unam eſſe ſubterranea illa audiebam plutonis regna, quod maxima,
            <lb/>
          principibus et liberis ciuitatibus penderentur tributa, e fodinis auri
            <lb/>
          argentique et ceterorum metallorum, quae geometrico innumerabilium
            <lb/>
          machinarum artificio praecipue ſuſtinerentur, ac ſarcirentur.</note>
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