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="21" file="0031" n="31" rhead="DE MACHINA MARLYENSI."/>
            iterum per fiftulas cupreas delabuntur, et in receptacu-
              <lb/>
            lum magnum (grand reſervoir) perueniunt. </s>
            <s xml:id="echoid-s473" xml:space="preserve">Hoc re-
              <lb/>
            ceptaculum quadratum muro clauſum, et ſpatium in-
              <lb/>
            tra muros terra repletum eſt, cui incumbit in ſummo
              <lb/>
            ſtratum argilloſum, tres pedes altum, et pauimento
              <lb/>
            tectum. </s>
            <s xml:id="echoid-s474" xml:space="preserve">Quin etiam murus undique argilla ſuperiore
              <lb/>
            parte ueſtitus eſt, ut aquas rectius contineat. </s>
            <s xml:id="echoid-s475" xml:space="preserve">Ex hoc
              <lb/>
            pauimento deorſum deductae ſunt fiſtulae plumbeae,
              <lb/>
            operculo cupreo perforato tectae, (quod purgandis
              <lb/>
            aquis feruit,) per quas ad inſtruendos in horto fonti-
              <lb/>
            culos, quorum miranda ibidem uarietas eſt, aquae ite-
              <lb/>
            rum deſcendunt.</s>
            <s xml:id="echoid-s476" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s477" xml:space="preserve">29. </s>
            <s xml:id="echoid-s478" xml:space="preserve">Ex hac luculentiore uaſti operis deſcriptione in-
              <lb/>
            telligi aliquantum tum magnitudo eius, tum praeſtan-
              <lb/>
            tia poteſt. </s>
            <s xml:id="echoid-s479" xml:space="preserve">Poſterior magis adhuc illuſtrabitur, ubi di-
              <lb/>
            xerimus de copia aquarum, quas attollit. </s>
            <s xml:id="echoid-s480" xml:space="preserve">priorem
              <lb/>
            quisque colligat licet, ex membrorum, quibus conſtat,
              <lb/>
            numero, et ex materiae, quae in illam impenſa eſt, mo-
              <lb/>
            le. </s>
            <s xml:id="echoid-s481" xml:space="preserve">refertur enim, conſumtas in eius conſtructione fuiſſe
              <lb/>
            1700000 libras cupri, totidem libras plumbi, ferri ma-
              <lb/>
            teriam cuprum uigeſies, lignum idem centies excede-
              <lb/>
            re. </s>
            <s xml:id="echoid-s482" xml:space="preserve">antlias continet aſpirantes 44, prementes 64, inuer-
              <lb/>
            fas 161; </s>
            <s xml:id="echoid-s483" xml:space="preserve">et cum exſtrueretur, 1800 homines per annos
              <lb/>
            ſeptem continuo in eadem elaboranda operam pro-
              <lb/>
            fuerunt. </s>
            <s xml:id="echoid-s484" xml:space="preserve">Et hodie ob ingentem partium multitudi-
              <lb/>
            nem, eidem cuſtodiendae et reficiendae praeſunt 60
              <lb/>
            operarii, aquileges, fuſores, fabrique, inſpectoribus ex-
              <lb/>
            ceptis, et 9 ex iis quauis nocte prope machinam et in
              <lb/>
            caſtellis excubias agunt, atque adeo eius conſeruatio
              <lb/>
            ſine maximis ſumtibus fieri nequit.</s>
            <s xml:id="echoid-s485" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s486" xml:space="preserve">30. </s>
            <s xml:id="echoid-s487" xml:space="preserve">Ob uarietatem autem eorum, quae hic a curio-
              <lb/>
            ſo ſpectatore obſeruanda ſunt, non eſt tam expeditum,
              <lb/>
            tantae molis ideam, breui, etiam cum quis praeſens </s>
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