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

Table of contents

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[231.] EXPERIMENTUM IV.
Page: 338 (324)
[232.] EXPERIMENTUM V.
Page: 339 (325)
[233.] CAPUT OCTAVUM. De Adſcenſu Liquorum in Tubos ſibi mutuo immiſſos.
Page: 346 (332)
[234.] DISSERTATIO PHYSICA EXPERIMENTALIS DE ATTRACTIONE SPECULORUM PLANORUM VITREORUM.
Page: 348 (334)
[235.] EXPERIMENTUM I.
Page: 348 (334)
[236.] EXPERIMENTUM II.
Page: 352 (338)
[237.] EXPERIMENTUM III.
Page: 352 (338)
[238.] EXPERIMENTUM IV.
Page: 353 (339)
[239.] EXPERIMENTUM V.
Page: 355 (341)
[240.] EXPERIMENTUM VI.
Page: 355 (341)
[241.] EXPERIMENTUM VII.
Page: 360 (346)
[242.] EXPERIMENTUM VIII.
Page: 361 (347)
[243.] EXPERIMENTUM IX.
Page: 363 (349)
[244.] EXPERIMENTUM X.
Page: 366 (352)
[245.] EXPERIMENTUM XI.
Page: 366 (352)
[246.] FINIS.
Page: 367 (353)
[247.] DISSERTATIO DE MAGNITUDINE TERRÆ.
Page: 369
[248.] DISSERTATIO DE MAGNITUDINE TERRÆ.
Page: 371 (357)
[249.] DE MAGNITUDINE TERRÆ MENSURATÆ A W. SNELLIO, DESCRIPTÆ IN ERATOSTHENE BATAVO. LIB. II. CAP. VI. Prima Gæodæſiæ ſtatio & diſtantia inter Lugdunum Bata-vorum & Soeter woudam pagum definita.
Page: 376 (362)
[250.] CAPUT VII. Diſtantia inter Lugdunum Batavorum & Hagam Comitis definita.
Page: 379 (365)
[251.] I. Problema Diſtantia pagorum Waſſenariæ & Soeterwoudæ.
Page: 380 (366)
[252.] II. Problema Diſtantia pagorum Soeterwoudæ & Voorſchoten.
Page: 380 (366)
[253.] III. Problema. Diſtantia pagorum Waſſenariæ & Voorſchoten.
Page: 380 (366)
[254.] IV. Problema Diſtantia pagorum Waſſenariæ & Voorſchoten, iterata Gæodæſia tentata & expreſſa.
Page: 381 (367)
[255.] V. Problema Diſtantia Hagæ & Leidæ.
Page: 382 (368)
[256.] VI. Problema Eadem diſtantia inter Hagam & Leidam aliter tentata.
Page: 383 (369)
[257.] CAPUT VIII. Omnium reliquorum locorum ad inſtitutam Gæodæſiam adbibitorum intervalla definita.
Page: 384 (370)
[258.] I. Problema. Triangulum A E S, Leida, Haga, Gouda.
Page: 384 (370)
[259.] II. Problema. Triangulum E S R. Leida, Gouda, Dordracum.
Page: 386 (372)
[260.] III. Problema. Triangulum E A R. Leida, Haga, Dordracum.
Page: 387 (373)
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              <pb o="325" file="0339" n="339" rhead="DE TUBIS CAPILLARIBUS VITREIS."/>
            eam ad paulo majorem altitudinem, quam huc uſque in Experi-
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            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-
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            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-
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            dam, minus periti in Phyſica, crediderunt, id enim nullâ arte hu-
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            manâ obtineri poteſt, quippe præterquam quod Lux omnia penetret,
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            Ignis ubivis per totam atmosphæram diſperſus, ſemper in pro-
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            portione ſpatiorum ſe recipit, vaſa omnia pervadit, eaque, ſibi
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            commiſſus, ſecundum hanc proportionem ſemper implet.</s>
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            <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,
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            eſſe in Tubi cavitate interna ob anguſtiam, quam qui extrinſecus
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            Tubum ambit, & </s>
            <s xml:id="echoid-s7976" xml:space="preserve">idcirco abinæquali Aëris preſſione liquores elevari:
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            </s>
            <s xml:id="echoid-s7977" xml:space="preserve">nam in vacuo adſcendunt liquores ad eandem ad minimum altitudi-
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            nem, quam in Aëre aperto.</s>
            <s xml:id="echoid-s7978" xml:space="preserve"/>
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            <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-
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            nente Aquam, ad majorem altitudinem adſcenſus non fit, admiſſo
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            iterum aëre liquet Aërem ſubito ingredi cavitatem tuborum, alioquin
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            liquorem ſua inæquali preſſione altius elevaret, ut in Tubis ab unâ
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            parte clauſis evenit, ut & </s>
            <s xml:id="echoid-s7982" xml:space="preserve">in longiſſimis.</s>
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          <head xml:id="echoid-head252" xml:space="preserve">EXPERIMENTUM V.</head>
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            <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
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            Tubos longiores ad majorem altitudinem Aquam rapturos breviori-
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            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-
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            mina a me ipſo extorſi, non ſuſpicante vim Tuborum ad </s>
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