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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        <div xml:id="echoid-div231" type="section" level="1" n="231">
          <p>
            <s xml:id="echoid-s7967" xml:space="preserve">
              <pb o="325" file="0339" n="339" rhead="DE TUBIS CAPILLARIBUS VITREIS."/>
            eam ad paulo majorem altitudinem, quam huc uſque in Experi-
              <lb/>
            mentis obſervatum fuit: </s>
            <s xml:id="echoid-s7968" xml:space="preserve">ob guttam nempe inferius appenſam:
              <lb/>
            </s>
            <s xml:id="echoid-s7969" xml:space="preserve">Hærebant nunc Tubi in recipiente privato omni Aëre craſſiori, ſive
              <lb/>
            in vacuo Torricellii; </s>
            <s xml:id="echoid-s7970" xml:space="preserve">quoniam in eo Tubi Aquam retinebant ſuſ-
              <lb/>
            penſam, Aër cauſa ſuſpenſæ aut elevatæ Aquæ eſſe non poterat: </s>
            <s xml:id="echoid-s7971" xml:space="preserve">
              <lb/>
            Hoc artificio ſemper ope Antliæ evacuari poteſt recipiens omni Aë-
              <lb/>
            re craſſo, eſtque hic ſummus apex, ad quem perveniri poteſt: </s>
            <s xml:id="echoid-s7972" xml:space="preserve">
              <lb/>
            non tamen ita vacuum perfectum conficitur, quemadmodum qui-
              <lb/>
            dam, minus periti in Phyſica, crediderunt, id enim nullâ arte hu-
              <lb/>
            manâ obtineri poteſt, quippe præterquam quod Lux omnia penetret,
              <lb/>
            Ignis ubivis per totam atmosphæram diſperſus, ſemper in pro-
              <lb/>
            portione ſpatiorum ſe recipit, vaſa omnia pervadit, eaque, ſibi
              <lb/>
            commiſſus, ſecundum hanc proportionem ſemper implet.</s>
            <s xml:id="echoid-s7973" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7974" xml:space="preserve">Corol 1. </s>
            <s xml:id="echoid-s7975" xml:space="preserve">Sequitur ex omnibus hiſce Experimentis, Aërem non
              <lb/>
            eſſe cauſam elevatorum liquorum in Tubos, caditque Philoſophorum
              <lb/>
            opinio, qua ſtabiliebatur minus Aëris, vel illum magis rarefactum,
              <lb/>
            eſſe in Tubi cavitate interna ob anguſtiam, quam qui extrinſecus
              <lb/>
            Tubum ambit, & </s>
            <s xml:id="echoid-s7976" xml:space="preserve">idcirco abinæquali Aëris preſſione liquores elevari:
              <lb/>
            </s>
            <s xml:id="echoid-s7977" xml:space="preserve">nam in vacuo adſcendunt liquores ad eandem ad minimum altitudi-
              <lb/>
            nem, quam in Aëre aperto.</s>
            <s xml:id="echoid-s7978" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7979" xml:space="preserve">Corol. </s>
            <s xml:id="echoid-s7980" xml:space="preserve">2. </s>
            <s xml:id="echoid-s7981" xml:space="preserve">Quia poſito Tubo brevi utrimque aperto in vacuo conti-
              <lb/>
            nente Aquam, ad majorem altitudinem adſcenſus non fit, admiſſo
              <lb/>
            iterum aëre liquet Aërem ſubito ingredi cavitatem tuborum, alioquin
              <lb/>
            liquorem ſua inæquali preſſione altius elevaret, ut in Tubis ab unâ
              <lb/>
            parte clauſis evenit, ut & </s>
            <s xml:id="echoid-s7982" xml:space="preserve">in longiſſimis.</s>
            <s xml:id="echoid-s7983" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div232" type="section" level="1" n="232">
          <head xml:id="echoid-head252" xml:space="preserve">EXPERIMENTUM V.</head>
          <p>
            <s xml:id="echoid-s7984" xml:space="preserve">Explorandum adhuc reſtabat, an Tubi longiſſimi in vacuo ad
              <lb/>
            majorem altitudinem Aquam elevarent, quam multo breviores,
              <lb/>
            veluti in Exp XV. </s>
            <s xml:id="echoid-s7985" xml:space="preserve">Cap. </s>
            <s xml:id="echoid-s7986" xml:space="preserve">1. </s>
            <s xml:id="echoid-s7987" xml:space="preserve">id fieri in Aëre probavimus; </s>
            <s xml:id="echoid-s7988" xml:space="preserve">inde concluden-
              <lb/>
            tes vim totius, aut ferè totius Tubi, agere in Aquam, atque ideo
              <lb/>
            Tubos longiores ad majorem altitudinem Aquam rapturos breviori-
              <lb/>
            bus; </s>
            <s xml:id="echoid-s7989" xml:space="preserve">quam concluſionem non niſi poſt plurima tentamina & </s>
            <s xml:id="echoid-s7990" xml:space="preserve">exa-
              <lb/>
            mina a me ipſo extorſi, non ſuſpicante vim Tuborum ad </s>
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