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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              <pb o="293" file="0307" n="307" rhead="DETUBIS CAPILLARIBUS VITREIS."/>
            tundem perſpirant, an non debet liquor nutrititius adſcendere ad
              <lb/>
            ſummitates vaſorum, veluti in Exp. </s>
            <s xml:id="echoid-s6965" xml:space="preserve">XV. </s>
            <s xml:id="echoid-s6966" xml:space="preserve">cum tubis vitreis fit, ut
              <lb/>
            exhalare poſſit, attractus ab aëre, & </s>
            <s xml:id="echoid-s6967" xml:space="preserve">rarefactus â radiis ſolaribus,
              <lb/>
            cumque igne adhærente ſurſum pulſus? </s>
            <s xml:id="echoid-s6968" xml:space="preserve">unde colligimus quantæ
              <lb/>
            ſubtilitatis ſint vaſcula plantarum, quæ liquorem ad ſuos apices uſ-
              <lb/>
            que elevant. </s>
            <s xml:id="echoid-s6969" xml:space="preserve">Inſuper ex hiſce Experimentis colligimus, quanta cum
              <lb/>
            velocitate ferantur liquores per vaſa abſorbentia noſtri corporis,
              <lb/>
            unde ingens quantitas fluidi extrinſecus applicati ſubito pervenit
              <lb/>
            ad ſanguinem reliquum, atque ita uſus Cataplaſmatum, Fomen-
              <lb/>
            torum, Inunctionum, Emplaſtrorum intelligitur: </s>
            <s xml:id="echoid-s6970" xml:space="preserve">licet igitur in
              <lb/>
            pectore, pericardio, abdomine, Scroto &</s>
            <s xml:id="echoid-s6971" xml:space="preserve">c. </s>
            <s xml:id="echoid-s6972" xml:space="preserve">ingens quantitas
              <lb/>
            ſubtilis vaporoſi dimittatur, vi circulantis ſanguinis magna cum
              <lb/>
            celeritate, hæcomnis iterum celerrime per vaſa abſorbentia refluit, vi
              <lb/>
            attrahente ipſorum vaſorum ſupplente vices cordis, quo alii humores
              <lb/>
            per corpus totum animale propelluntur: </s>
            <s xml:id="echoid-s6973" xml:space="preserve">hinc nulla vaporoſi in cavi-
              <lb/>
            tatibus corporis ſani collectio fit, quæ cæteroquin ad magnam
              <lb/>
            uſque increſcit molem obſtructis vaſis abſorbentibus a cauſa qua-
              <lb/>
            cunque, ut nonnulla Hydropum genera oſtendunt.</s>
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          <head xml:id="echoid-head206" xml:space="preserve">EXPERIMENTUM XVIII.</head>
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            <s xml:id="echoid-s6975" xml:space="preserve">Indagandum reſtabat, ad quamnam altitudinem Aqua in tubos
              <lb/>
            vitreos adſcendere poſſet, poſito tubo graciliſſimo? </s>
            <s xml:id="echoid-s6976" xml:space="preserve">ſolvi poſlet
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            hoc problema, ſi prius magnitudinem uniuscujusque particulæ
              <lb/>
            Aquæ cognoſceremus. </s>
            <s xml:id="echoid-s6977" xml:space="preserve">2° quænam proportio inter altitudinem
              <lb/>
            Aquæ & </s>
            <s xml:id="echoid-s6978" xml:space="preserve">longitudinem Tubi daretur ex Exp. </s>
            <s xml:id="echoid-s6979" xml:space="preserve">XV. </s>
            <s xml:id="echoid-s6980" xml:space="preserve">3° quanta
              <lb/>
            foret aſperitas parietum ipſrus Tubi, nam vitri ſuperficies ad-
              <lb/>
            modum aſpera eſſe ſolet, unde Tubi non poſſunt fabrefieri tam
              <lb/>
            exiguæ capacitatis, ac ſi ſuperficies perfecte politas poſſiderent:
              <lb/>
            </s>
            <s xml:id="echoid-s6981" xml:space="preserve">quamobrem Problema hactenus ſolvi Geometrice nequit. </s>
            <s xml:id="echoid-s6982" xml:space="preserve">quid
              <lb/>
            Phyſice præſtari poſſit addam; </s>
            <s xml:id="echoid-s6983" xml:space="preserve">confeci tubum graciliſſimum, cu-
              <lb/>
            jus interna cavitas diametrum habebat capillo humano æqualem,
              <lb/>
            longitudinis erat 3 {1/2} pedum, hic intra horæ ſpatium Aquam ab-
              <lb/>
            ripuit ad altitudinem 11 pollicum, atque adeo lente adſcende-
              <lb/>
            rat, ut quieviſſe viſa fuerit in eo Aqua, exſpectavi tamen ad-
              <lb/>
            huc 14 horis, quibus excelſius abrepta fuit, ita ut tota altitudo
              <lb/>
            13 pollicum fuerit.</s>
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