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-s739" xml:space="preserve">
              <pb o="37" file="0047" n="47" rhead="DE MACHINA MARLYENSI."/>
            mentum habere queat, explorandum reſtat. </s>
            <s xml:id="echoid-s740" xml:space="preserve">conf. </s>
            <s xml:id="echoid-s741" xml:space="preserve">
              <emph style="sc">Dn</emph>
            .
              <lb/>
            </s>
            <s xml:id="echoid-s742" xml:space="preserve">
              <emph style="sc">Gravesande</emph>
            Inſtit. </s>
            <s xml:id="echoid-s743" xml:space="preserve">Philoſ. </s>
            <s xml:id="echoid-s744" xml:space="preserve">Nevvton. </s>
            <s xml:id="echoid-s745" xml:space="preserve">p. </s>
            <s xml:id="echoid-s746" xml:space="preserve">u. </s>
            <s xml:id="echoid-s747" xml:space="preserve">et 333. </s>
            <s xml:id="echoid-s748" xml:space="preserve">Ex
              <lb/>
            his intelligi poteſt, quid requiratur ad iudicium de af-
              <lb/>
            frictu machinarum ferendum. </s>
            <s xml:id="echoid-s749" xml:space="preserve">Glaciem laudabili in-
              <lb/>
            ſtituto fregit
              <emph style="sc">Amontonivs</emph>
            , in commentariis acad. </s>
            <s xml:id="echoid-s750" xml:space="preserve">
              <lb/>
            reg. </s>
            <s xml:id="echoid-s751" xml:space="preserve">ſcientiarum, a. </s>
            <s xml:id="echoid-s752" xml:space="preserve">1699. </s>
            <s xml:id="echoid-s753" xml:space="preserve">p. </s>
            <s xml:id="echoid-s754" xml:space="preserve">257. </s>
            <s xml:id="echoid-s755" xml:space="preserve">edit. </s>
            <s xml:id="echoid-s756" xml:space="preserve">Amſtel. </s>
            <s xml:id="echoid-s757" xml:space="preserve">reperitque
              <lb/>
            experientiae conueniens, quod in materia, ex qua prae-
              <lb/>
            cipue machinae componuntur, ligno, ferro, cupro,
              <lb/>
            plumbo et ſimilibus, reniſus oriatur ab affrictu talis, qui
              <lb/>
            tertiae parti ponderis, quod ſubiectum corpus premit,
              <lb/>
            reſpondeat. </s>
            <s xml:id="echoid-s758" xml:space="preserve">Haec ſi transferantur ad machinam Mar-
              <lb/>
            lyenſem, nemo uitio mihi uertet, quod dimidia parte
              <lb/>
            uires machinae affrictu minui dixerim. </s>
            <s xml:id="echoid-s759" xml:space="preserve">Non ſolum
              <lb/>
            enim ibi magnum occurrit pondus rotarum libramen-
              <lb/>
            torum embolorumque, ſed etiam in his poſtremis,
              <lb/>
            dum lignum molle et corium humidum in antliis agi-
              <lb/>
            tatur, ita attritus uidetur exaſperari, ut aeſtimationem
              <lb/>
            adhuc maiorem, quam aſſumſi requirat. </s>
            <s xml:id="echoid-s760" xml:space="preserve">Siquidem et-
              <lb/>
            iam pondus aereae columnae imminentis embolo, ſub
              <lb/>
            quo aer craſſus excluſus eſt, ſuperandum uenit. </s>
            <s xml:id="echoid-s761" xml:space="preserve">tandem
              <lb/>
            accedit his inertia aquarum poſt alas ſtagnantium, cui
              <lb/>
            ſoli maximam uim tribuit Mariottius. </s>
            <s xml:id="echoid-s762" xml:space="preserve">Praeterea res
              <lb/>
            ipſa loquitur, hypotheſin meam admittendam eſſe. </s>
            <s xml:id="echoid-s763" xml:space="preserve">
              <lb/>
            nam aucto ad dimidium onere, tamen uis ſupereſt agi-
              <lb/>
            tandae machinae, e@ praeſtandis iis quorum cauſa in-
              <lb/>
            uenta et exſtructa eſt. </s>
            <s xml:id="echoid-s764" xml:space="preserve">in ipſis autem uiribus nullum ex-
              <lb/>
            ceſſum commiſſum eſſe, ſi ea, quae aliorum obſeruatio-
              <lb/>
            nibus fidem habens attuli, uera ſint, palam eſſe arbi-
              <lb/>
            tror. </s>
            <s xml:id="echoid-s765" xml:space="preserve">Rectiſſime etiam ſentiunt, qui ſuadent, tutius
              <lb/>
            eſſe in pragmatia machinali, obſtaculorum nondum re-
              <lb/>
            cte cognitorum momenta auctiora ſumere, quam his
              <lb/>
            extenuatis, nimis confidere inuentae compoſitionis ali-
              <lb/>
            cuius machinae facultatibus. </s>
            <s xml:id="echoid-s766" xml:space="preserve">Et placet mihi prae </s>
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