Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605
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          <pb o="90" file="527.01.090" n="90" rhead="3 L*IBER* S*TATICÆ*"/>
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        <div xml:id="echoid-div389" type="section" level="1" n="280">
          <head xml:id="echoid-head295" xml:space="preserve">6 PROPOSITIO.</head>
          <p>
            <s xml:id="echoid-s2752" xml:space="preserve">Libram obliquam fabricari.</s>
            <s xml:id="echoid-s2753" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2754" xml:space="preserve">Quia pondera non perpetuò recta ſurſum aut deorſum, ſed in latus non-
              <lb/>
            nunquam & </s>
            <s xml:id="echoid-s2755" xml:space="preserve">obliquè moventur, cujus varia exempla, partim in antecedentibus
              <lb/>
            partim in conſequentibus exhibentur, quæque ideo libram non vulgarem il-
              <lb/>
            lam ſed peculiarem depoſcunt quam obliquam propterea dicimus, cuju præ-
              <lb/>
            cipuus ſeopus eſt, ut uſus & </s>
            <s xml:id="echoid-s2756" xml:space="preserve">experientia rationem proportionemq́; </s>
            <s xml:id="echoid-s2757" xml:space="preserve">hujuſmodi
              <lb/>
            ponderum 1 lib. </s>
            <s xml:id="echoid-s2758" xml:space="preserve">theorematicè propoſitam deinceps comprobet, ac fidem fa-
              <lb/>
            cíat, quo minus dubii ſimus & </s>
            <s xml:id="echoid-s2759" xml:space="preserve">certius iis fidem habere peſſimus quæ ad huma-
              <lb/>
            ni generis utilitatem hinc derivantur.</s>
            <s xml:id="echoid-s2760" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div390" type="section" level="1" n="281">
          <head xml:id="echoid-head296" xml:space="preserve">CONSTRVCTIO.</head>
          <p>
            <s xml:id="echoid-s2761" xml:space="preserve">Fiat baſis ſive ſuſtentamentum A cui inſerta regula B crebris locis perfore-
              <lb/>
            tur, hinc orbiculus C ambitu cavo ut ducta-
              <lb/>
              <figure xlink:label="fig-527.01.090-01" xlink:href="fig-527.01.090-01a" number="131">
                <image file="527.01.090-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.090-01"/>
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            rium funem recipiat, pér cujus centrum indu-
              <lb/>
            ctus axiculus D cardinibus ſuis in tigno ex-
              <lb/>
            cavato verſetur, qui tylo E foraminibus regu-
              <lb/>
            læ B pro voto altius aut humiliusvé inſertari
              <lb/>
            poſſit; </s>
            <s xml:id="echoid-s2762" xml:space="preserve">orbiculus vero & </s>
            <s xml:id="echoid-s2763" xml:space="preserve">axiculus ipſi infixus ne
              <lb/>
            craſſi ſed quam tenuiſſimi ſunto, ne ambitus
              <lb/>
            orbiculi uſquã ſedem ſuam ſtringat, ſed ſpatiũ
              <lb/>
            axiculi inter orbiculum & </s>
            <s xml:id="echoid-s2764" xml:space="preserve">ſedem interjectum
              <lb/>
            paulò craſſius ſit cardinibus circa quos cõver-
              <lb/>
            titur: </s>
            <s xml:id="echoid-s2765" xml:space="preserve">Ipſe privato uſui orbiculum è buxo de-
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            formandum dedi ſemidiametro digitorum
              <lb/>
            quinque cujus ſpiſſitudo tenuiſsimi cultri ter-
              <lb/>
            gum non excedebat, axiculum autem ſolido
              <lb/>
            elephanto tornatili opere effectum craſsitie
              <lb/>
            acus, id eſt, quam potuit torno confieri te-
              <lb/>
            nuiſsimus.</s>
            <s xml:id="echoid-s2766" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div392" type="section" level="1" n="282">
          <head xml:id="echoid-head297" xml:space="preserve">7 PROPOSITIO.</head>
          <p>
            <s xml:id="echoid-s2767" xml:space="preserve">Vectium rationem & </s>
            <s xml:id="echoid-s2768" xml:space="preserve">formas inquirere.</s>
            <s xml:id="echoid-s2769" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2770" xml:space="preserve">Poſtquam longioribus palangis, vectibusq́ue vim & </s>
            <s xml:id="echoid-s2771" xml:space="preserve">effectum majorem, con-
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            tra verò brevioribus minorem efficientiam ineſſe vulgò animadverſum fuit di-
              <lb/>
            verſæ machinæ & </s>
            <s xml:id="echoid-s2772" xml:space="preserve">diverſa inſtrumenta molitionibus variis utilia efformari coe-
              <lb/>
            pta ſunt; </s>
            <s xml:id="echoid-s2773" xml:space="preserve">quia verò ſolo uſu magiſtro confirmante experientia, cauſis tamen, ut
              <lb/>
            ratione & </s>
            <s xml:id="echoid-s2774" xml:space="preserve">proportione, ignotis expedita ſunt; </s>
            <s xml:id="echoid-s2775" xml:space="preserve">ideò majores & </s>
            <s xml:id="echoid-s2776" xml:space="preserve">novæ machina-
              <lb/>
            tiones pari ſucceſſu caruere, magno autorum incommodo, arque adeò infe-
              <lb/>
            lici eventu. </s>
            <s xml:id="echoid-s2777" xml:space="preserve">Quamobrem ut ante quanta vectium in perfecto opere potent
              <unsure/>
            ia
              <lb/>
            ſit perſpici comodè poſſit, etiam præter mathematicas 1 libri ratioaes, mecha-
              <lb/>
            nicè ſeu pragmaticè paucis exemplis eadem confirmare ſtatui. </s>
            <s xml:id="echoid-s2778" xml:space="preserve">Principiò quia
              <lb/>
            naves minori detrimento longioribus vectibus per aggeres tran ſverſos pertra-
              <lb/>
            hi nonnullis placuit quàm vel ſuculis vel ergatis, quæ uſurpantur, hoc ipſum
              <lb/>
            plenius paulo ſcrutabimur ut quid hinc ſequatur planum ſit, iſto qui ſequitur
              <lb/>
            modo.</s>
            <s xml:id="echoid-s2779" xml:space="preserve"/>
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