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-s151" xml:space="preserve">7. </s>
            <s xml:id="echoid-s152" xml:space="preserve">Antliae machinae Marlyenſis triplicis ſunt gene-
              <lb/>
              <note position="left" xlink:label="note-0018-01" xlink:href="note-0018-01a" xml:space="preserve">Fig. 2.</note>
            ris. </s>
            <s xml:id="echoid-s153" xml:space="preserve">Prima eſt aſpirans, (gallis pompe aſpirante) ubi
              <lb/>
            embolus geſtat ualuulam ſuam C, Fig 2. </s>
            <s xml:id="echoid-s154" xml:space="preserve">Nimirum
              <lb/>
            fiſtula D altero extremo aquis immerſa eſt, altero ual-
              <lb/>
            uulam B, quae tantum ſurſum aperitur, habet; </s>
            <s xml:id="echoid-s155" xml:space="preserve">in tubo
              <lb/>
            uero, qui huic fiſtulae imponitur, embolus ligneus C
              <lb/>
            ſimilem habet ualuulam, ſurſum aperiendam. </s>
            <s xml:id="echoid-s156" xml:space="preserve">Dum
              <lb/>
            enim adducitur embolus, clauditur eius oſtium, ab
              <lb/>
            atmoſphaerae incumbentis pondere, ſub embolo au-
              <lb/>
            tem uacuum ab aere craſſo ſpatium efficitur, quod ubi
              <lb/>
            contingit, aer tantum premit aquas, quibus extremum
              <lb/>
            D immerſum eſt, ut hae, aperta ualuula B, in cylindrum
              <lb/>
            ſuperiorem aſcendant, ex quo tandem altius tolluntur,
              <lb/>
            depreſſo eodem embolo, et aperta eiusdem ualuula,
              <lb/>
            ultra quam cum aquae aſſurrexerunt, ualuula, preſſio-
              <lb/>
            ne ceſſante, recluditur. </s>
            <s xml:id="echoid-s157" xml:space="preserve">Valuulae in antliis et fiſtulis
              <lb/>
            reliquis Marlyenſibus coriaceae adhibentur. </s>
            <s xml:id="echoid-s158" xml:space="preserve">corium
              <lb/>
            nempe tres lineas ſpiſſum duplex iungitur, in medio
              <lb/>
            orbis E Fig. </s>
            <s xml:id="echoid-s159" xml:space="preserve">2. </s>
            <s xml:id="echoid-s160" xml:space="preserve">maior minorue, pro ratione oſtii, cui
              <lb/>
            reſpondet, exſecatur, relicta circiter quarta peripheriae
              <lb/>
            parte integra, quae verticulum efficit, praeterea corio
              <lb/>
            duplici ferrea lamina imponitur, et cum eodem colli-
              <lb/>
            gatur, quae curuationem corii impedit. </s>
            <s xml:id="echoid-s161" xml:space="preserve">inſeruntur
              <lb/>
            haec coria fiſtulis, eo loco, ubi earum extremi orbes
              <lb/>
            cochleis nectuntur, et praeter ualuularum officium,
              <lb/>
            tum etiam aliud praeſtant, quando applicata orbibus
              <lb/>
            fiſtularum rudibus et impolitis, caua eorum replent, et
              <lb/>
            omnem aeri acceſſum praecludunt,</s>
          </p>
          <p>
            <s xml:id="echoid-s162" xml:space="preserve">8. </s>
            <s xml:id="echoid-s163" xml:space="preserve">Antlia ſecundi generis eſt aſpirans et premens, (gall.
              <lb/>
            </s>
            <s xml:id="echoid-s164" xml:space="preserve">pompe aſpirante et foulante) cuius embolus ligneus ſoli-
              <lb/>
            dus, et ſpiſſo corio, clauis cupreis circa medium affi-
              <lb/>
            xo, ueſtitus, ita ut altera pars corii ſurſum, altera de-
              <lb/>
            orſum uertatur, lignum vero undique ambiat, </s>
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