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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              <pb o="47" file="0057" n="57" rhead="DE MOLIS ALATIS HYDRAVLICIS."/>
            angulos ſuper peripheria poſitae, aquas obvias tantum
              <lb/>
            ſupra planum inclinatum aſſeribus ueſtitum, et tres
              <lb/>
            circiter pedes ſuperficie aquarum altius, protrudunt,
              <lb/>
            atque in foſſas eiiciunt, ex quibus tandem in amplio-
              <lb/>
            res alueos deuoluuntur, atque ita breui tempore, a ma-
              <lb/>
            gna aquarum ui nullo fere negotio humiliora prata ſua
              <lb/>
            liberant. </s>
            <s xml:id="echoid-s1010" xml:space="preserve">Verum opera, quae altius tollunt aquas, uen-
              <lb/>
            to commota, non adeo magno numero exſtructa ſunt,
              <lb/>
            partim quia aura non ſemper fauet, partim quia uis at-
              <lb/>
            que impetus uentorum raro aequabilitatem ſeruare ſo-
              <lb/>
            let . </s>
            <s xml:id="echoid-s1011" xml:space="preserve">Cum itaque repererim duas molas hydraulicas, prope arcem regiam Meudon, haud procul Pariſiis ſi-
              <lb/>
            tam, quarum uſu probata fabrica eſt, nolui earum de-
              <lb/>
            ſcriptionem, quippe a nemine hactenus datam, omit-
              <lb/>
            tere. </s>
            <s xml:id="echoid-s1012" xml:space="preserve">Scalam tamen non adieci, chartae ſumtibusque
              <lb/>
            parſurus, ſufficere exiſtimans, ſi menſurae fideliter in-
              <lb/>
            dicarentur.</s>
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            <s xml:id="echoid-s1014" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1015" xml:space="preserve">Exſtructae ſunt moletrinae, de quibus agere
              <lb/>
            inſtitui, circa finem uiuarii Meldoniani in montis, cui
              <lb/>
            impoſita eſt arx, ſummo, quod in planitiem amoenam
              <lb/>
            deſinit, e regione uillae, quae Villebon nominatur.
              <lb/>
            </s>
            <s xml:id="echoid-s1016" xml:space="preserve">Huc aquae pluuiae, et fontium uicinorum, per riuos
              <lb/>
            in ampliſſimum ſtagnum colliguntur, et ex hoc ſtagno,
              <lb/>
              <note position="foot" xlink:label="note-0057-01" xlink:href="note-0057-01a" xml:space="preserve">(*)
                <emph style="sc">Georg</emph>
              .
                <emph style="sc">Andr</emph>
              .
                <emph style="sc">Boecler</emph>
              in theatro machinarum
                <lb/>
              nouo f. 45. fig. 117. molam alatam, roſario hydraulico,
                <lb/>
              quod dicitur, agitando idoneam, ſequentem in mo-
                <lb/>
              dum compenere docer. Axis nempe alis inſtructus ge-
                <lb/>
              ſtat rotam dentatam uerticalem, haec tympanum et
                <lb/>
              aliam rotam dentatam horizonti parallelam in orbem
                <lb/>
              agit, atque ita, cum ſubiecto rotae huic tympano,
                <lb/>
              globi lignei ex fune uel catena ſuſpenſi, et interuallo,
                <lb/>
              quod diametro globi cuiuslibet par eſt, diſtincti, per
                <lb/>
              cylindrum cauum, infra nonnihil in aquas demerſum,
                <lb/>
              ducuntur, et aquae una attolluntur.</note>
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