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-div49" type="section" level="1" n="35">
          <pb o="10" file="0126" n="131" rhead="GEOMETRIA SVBTERRANEA."/>
        </div>
        <div xml:id="echoid-div50" type="section" level="1" n="36">
          <head xml:id="echoid-head53" xml:space="preserve">DEFINITIO XI.</head>
          <p>
            <s xml:id="echoid-s2152" xml:space="preserve">16. </s>
            <s xml:id="echoid-s2153" xml:space="preserve">Menſura, finitoribus metallicis uſitata, eſt pertica
              <lb/>
            breuior, quam ulnam ſiue orgyiam nominabimus,
              <lb/>
            quia lineae, quae inter manus expanſas continetur, fere
              <lb/>
            aequalis eſt. </s>
            <s xml:id="echoid-s2154" xml:space="preserve">Germanice Lachter. </s>
            <s xml:id="echoid-s2155" xml:space="preserve">(G
              <emph style="sc">EORG.</emph>
              <emph style="sc">Agricola</emph>
            ,
              <lb/>
            de re metall. </s>
            <s xml:id="echoid-s2156" xml:space="preserve">L. </s>
            <s xml:id="echoid-s2157" xml:space="preserve">4. </s>
            <s xml:id="echoid-s2158" xml:space="preserve">pasſum uocat.) </s>
            <s xml:id="echoid-s2159" xml:space="preserve">Haec ulna in octo par-
              <lb/>
            tes quaſi totidem pedes diuiditur. </s>
            <s xml:id="echoid-s2160" xml:space="preserve">Octaua pars deca-
              <lb/>
            dem digitorum capit, qua ratione ulna 80. </s>
            <s xml:id="echoid-s2161" xml:space="preserve">digitos
              <lb/>
            complectitur. </s>
            <s xml:id="echoid-s2162" xml:space="preserve">Digitus uero iterum in 10. </s>
            <s xml:id="echoid-s2163" xml:space="preserve">lineas uel
              <lb/>
            ſcrupulos ſecatur, atque ita ulna menſorum capit 800.
              <lb/>
            </s>
            <s xml:id="echoid-s2164" xml:space="preserve">lineas uel minuta, eidemque proportioni etiam tabulae
              <lb/>
            accommodatae ſunt. </s>
            <s xml:id="echoid-s2165" xml:space="preserve">Longitudo huius perticae non ubi-
              <lb/>
            uis eadem eſt; </s>
            <s xml:id="echoid-s2166" xml:space="preserve">Freibergae capit 3 {1/2}. </s>
            <s xml:id="echoid-s2167" xml:space="preserve">ulnas breues, ſiue cubi-
              <lb/>
            tos Dreſdenſes, et ſi Freibergenſi tribuantur partes 500. </s>
            <s xml:id="echoid-s2168" xml:space="preserve">
              <lb/>
            Ioachimthalenſis habet ſimiles minutias 493. </s>
            <s xml:id="echoid-s2169" xml:space="preserve">Iſlebienſis 507. </s>
            <s xml:id="echoid-s2170" xml:space="preserve">
              <lb/>
            Clausthalenſis 485. </s>
            <s xml:id="echoid-s2171" xml:space="preserve">complectitur.</s>
            <s xml:id="echoid-s2172" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div51" type="section" level="1" n="37">
          <head xml:id="echoid-head54" xml:space="preserve">SCHOLION I.</head>
          <p style="it">
            <s xml:id="echoid-s2173" xml:space="preserve">17. </s>
            <s xml:id="echoid-s2174" xml:space="preserve">
              <emph style="sc">Voigtel</emph>
            ſub principium libri ſui, doctrinae cauſa, et ob
              <lb/>
            facilitatem calculi decimalis, ulnam in 10. </s>
            <s xml:id="echoid-s2175" xml:space="preserve">partes ſecuit, deci-
              <lb/>
            mam in 10. </s>
            <s xml:id="echoid-s2176" xml:space="preserve">alias diuidi uoluit, partes eiusmodi decimales ipſi ueniunt
              <lb/>
            nomine ſcrupulorum, primorum, ſecundorum, tertiorum iisdemque
              <lb/>
            quibus geometrae perticam, pedes, digitos et grana notant, chara-
              <lb/>
            cteribus 0. </s>
            <s xml:id="echoid-s2177" xml:space="preserve">I. </s>
            <s xml:id="echoid-s2178" xml:space="preserve">II. </s>
            <s xml:id="echoid-s2179" xml:space="preserve">III. </s>
            <s xml:id="echoid-s2180" xml:space="preserve">ſignificantur. </s>
            <s xml:id="echoid-s2181" xml:space="preserve">Verum nondum illa methodus,
              <lb/>
            in ſe licet laudatiſſima et perfectiſſima, omnibus ſeſe probauit, quare
              <lb/>
            uſitatam diuiſionem retinere, et t@bulas quoque illi conformare malui.</s>
            <s xml:id="echoid-s2182" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div52" type="section" level="1" n="38">
          <head xml:id="echoid-head55" xml:space="preserve">SCHOLION II.</head>
          <p style="it">
            <s xml:id="echoid-s2183" xml:space="preserve">18. </s>
            <s xml:id="echoid-s2184" xml:space="preserve">Cum magnitudo ulnae fosſorum fere aequalis ſit menſurae
              <lb/>
            molitorum, ſummus aliquis et r@rum metallicarum peri-
              <lb/>
            tiſſimus uir ſuſpicatur, quod forſan hi primi metallis in miſniae
              <lb/>
            montibus indagandis operam dederint, uel ſaltem regendis eius-
              <lb/>
            modi laboribus adhibiti fuerint, tanquam gnari artificiorum, </s>
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