Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

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            <image file="0009-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0009-01"/>
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        <div xml:id="echoid-div5" type="section" level="1" n="5">
          <head xml:id="echoid-head10" xml:space="preserve">LECTORI SALUTEM.</head>
          <p style="it">
            <s xml:id="echoid-s1" xml:space="preserve">Quicquid de corporibus intelligunt mortales,
              <lb/>
            primum obſervationibus ſenſuum ope per-
              <lb/>
            actis; </s>
            <s xml:id="echoid-s2" xml:space="preserve">tum experimentis, caſu vel indu-
              <lb/>
            ſtria cum iis inſtitutis; </s>
            <s xml:id="echoid-s3" xml:space="preserve">tandem ratiocinio
              <lb/>
            ex obſervationibus aut Experimentis deducto,
              <lb/>
            debetur. </s>
            <s xml:id="echoid-s4" xml:space="preserve">Idcirco phænomena, quæ corpora
              <lb/>
            edunt quâcunque poſita in occaſione aut loco, ſunt data & </s>
            <s xml:id="echoid-s5" xml:space="preserve">
              <lb/>
            ratiocinii materies; </s>
            <s xml:id="echoid-s6" xml:space="preserve">ex quibus ſedulo collectis, ſollicite ad-
              <lb/>
            notatis, & </s>
            <s xml:id="echoid-s7" xml:space="preserve">inter ſe comparatis, geometrice, rationis viri-
              <lb/>
            bus colligi poſſunt, corporum proprietates, agendi virtutes,
              <lb/>
            harum proportiones, cauſæ, & </s>
            <s xml:id="echoid-s8" xml:space="preserve">effectus.</s>
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          </p>
          <p style="it">
            <s xml:id="echoid-s10" xml:space="preserve">Quo igitur plura cognoſcuntur corporum phænomena, eo
              <lb/>
            uberior ſuppeditatur materia ratiocinio, quod cæteroquin
              <lb/>
            brevi ad ſilentium reduceretur, datâ obſervationum pe-
              <lb/>
            nuriâ.</s>
            <s xml:id="echoid-s11" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12" xml:space="preserve">Quod cum a multis retro temporibus animadverſum fuit,
              <lb/>
            nonnulli Philoſophi in colligendis obſervationibus & </s>
            <s xml:id="echoid-s13" xml:space="preserve">capiendis
              <lb/>
            Experimentis operam poſuerunt, præcipuè tamen elapſo,
              <lb/>
            & </s>
            <s xml:id="echoid-s14" xml:space="preserve">quod nunc decurrit, ſeculo: </s>
            <s xml:id="echoid-s15" xml:space="preserve">hinc eorum nata </s>
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