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-s128" xml:space="preserve">
              <pb o="7" file="0017" n="17" rhead="DE MACHINA MARLYENSI."/>
            intra lineam 4 uel 5 pedum continetur. </s>
            <s xml:id="echoid-s129" xml:space="preserve">in Fig. </s>
            <s xml:id="echoid-s130" xml:space="preserve">7. </s>
            <s xml:id="echoid-s131" xml:space="preserve">num. </s>
            <s xml:id="echoid-s132" xml:space="preserve">8.
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            </s>
            <s xml:id="echoid-s133" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s134" xml:space="preserve">1. </s>
            <s xml:id="echoid-s135" xml:space="preserve">perſpicue orthographia cochleae oſtio iunctae
              <lb/>
            cernitur.</s>
            <s xml:id="echoid-s136" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s137" xml:space="preserve">6. </s>
            <s xml:id="echoid-s138" xml:space="preserve">Rotae, uti figura prima indicat, alternatim poſi-
              <lb/>
            tae ſunt, quemadmodum alueorum ducendorum ratio
              <lb/>
            poſtulabat, et quoniam omnes una linea, ob appara-
              <lb/>
            tum membrorum, quae manubriis adhaerent, contine-
              <lb/>
            ri haud poterant, duo earum ordines conſtituti ſunt.
              <lb/>
            </s>
            <s xml:id="echoid-s139" xml:space="preserve">Primum aduerſo flumini opponuntur rotae ſeptem, ſe-
              <lb/>
            quuntur ſecunda ſerie ſex, et tandem una poſt duos or-
              <lb/>
            dines ſuſpenſa eſt. </s>
            <s xml:id="echoid-s140" xml:space="preserve">Diameter rotarum ſingularum, ex-
              <lb/>
            cepta ultima, ceteris 4 pedibus altiore, eſt 36 pedum,
              <lb/>
            axis ligneus habet diametrum 2 {1/2} p. </s>
            <s xml:id="echoid-s141" xml:space="preserve">radii numero 12
              <lb/>
            (ſiquidem ſemper duo paralleli peripheriam portant)
              <lb/>
            digitos 8 lati 5 dig. </s>
            <s xml:id="echoid-s142" xml:space="preserve">ſpisſi, ſuſtinent arcus peripheriae du-
              <lb/>
            plices, eiusdem fere latitudinis et ſpiſſitudinis. </s>
            <s xml:id="echoid-s143" xml:space="preserve">ſupra
              <lb/>
            hanc peripheriam ligneis retinaculis, et baculis quoque
              <lb/>
            transuerſis, firmantur aſſeres unum pedem lati, 5 uel 6
              <lb/>
            pedes longi, qui ueluti alas uel gradus horum orbium
              <lb/>
            conſtituunt. </s>
            <s xml:id="echoid-s144" xml:space="preserve">Numerus autem eorum non ſemper, nec
              <lb/>
            in omnibus ac ſingulis rotis idem eſt. </s>
            <s xml:id="echoid-s145" xml:space="preserve">Poſſunt nimi-
              <lb/>
            rum 32 alae orbibus incumbere, quin etiam in interna
              <lb/>
            peripheria pro aliis collocandis retinacula aptata ſunt. </s>
            <s xml:id="echoid-s146" xml:space="preserve">
              <lb/>
            Verum qualis numerus rotae loco, copiaeue aquarum
              <lb/>
            conueniat, optime ſciunt, qui quotidie motum machi-
              <lb/>
            nae diligentius obſeruant. </s>
            <s xml:id="echoid-s147" xml:space="preserve">Nam quae in medio flu-
              <lb/>
            mine pendent rotae, ob celeritatem ac impetum aqua-
              <lb/>
            rum irruentium, non ſemper magno alarum numero
              <lb/>
            opus habent, inprimis quando flumen altum eſt; </s>
            <s xml:id="echoid-s148" xml:space="preserve">quae
              <lb/>
            uero feriuntur a riuis reliquis remotioribus, a medio
              <lb/>
            pluribus et latioribus et quandoque internis alis in-
              <lb/>
            ſtrui debent. </s>
            <s xml:id="echoid-s149" xml:space="preserve">Ceterum de manubriis officioque rota-
              <lb/>
            rum poſtea a getur.</s>
            <s xml:id="echoid-s150" xml:space="preserve"/>
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