Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica

Table of handwritten notes

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            miter alligati ſunt duobus cylindris minoribus, qui cum majo-
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            ri cohærent, & </s>
            <s xml:id="echoid-s6079" xml:space="preserve">circumdant foramina; </s>
            <s xml:id="echoid-s6080" xml:space="preserve">tubus unus exhibetur
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            pendens, alter extenſus. </s>
            <s xml:id="echoid-s6081" xml:space="preserve">In fundo cylindri cum hoc conjun-
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            gitur ope cochleæ interpoſito annulo coriaceo pyxis H; </s>
            <s xml:id="echoid-s6082" xml:space="preserve">ita
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            ut exacte claudat apperturam cylindri; </s>
            <s xml:id="echoid-s6083" xml:space="preserve">E E ſunt retinacula,
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            quæ cylindrum in inferiori parte conjungunt cum theca,
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            qua includitur, ſed quæ hic non eſt exhibita, ne turbetur
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            figura: </s>
            <s xml:id="echoid-s6084" xml:space="preserve">E F eſt funis annexus embolo B, circumponitur
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            trochlea G, & </s>
            <s xml:id="echoid-s6085" xml:space="preserve">inſervit ad movendum id, quod ei applica-
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            tur.</s>
            <s xml:id="echoid-s6086" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6087" xml:space="preserve">Obtecto parvâ aquæ quantitate embolo, qui ſuperius fir-
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            miter debet conſiſtere, ne poſſit exire ex cylindro, immittitur
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            in ciſtam H parum pulveris tormentarii cum parva quantitate
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            igniarii Germanici accenſi, & </s>
            <s xml:id="echoid-s6088" xml:space="preserve">clauditur bene ciſta mediante
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            ſua cochleâ.</s>
            <s xml:id="echoid-s6089" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6090" xml:space="preserve">Pulvis ille paulo poſt accenſus implet cylindrum flammâ
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            & </s>
            <s xml:id="echoid-s6091" xml:space="preserve">fugat aërem per tubos coriaceos C D, C D, qui exten-
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            duntur, quique ſtatim clauduntur iterum ab aëre exteriore;
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            </s>
            <s xml:id="echoid-s6092" xml:space="preserve">ita ut cylindrus maneat aëre vacuus, ſaltem maximâ parte; </s>
            <s xml:id="echoid-s6093" xml:space="preserve">
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            porro embolus B eſt adactus per preſſionem aëris, qui ſupra
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            gravitat ad deſcendendum, & </s>
            <s xml:id="echoid-s6094" xml:space="preserve">ſic trahit funem F F pariter
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            illud quod ei appenditur.</s>
            <s xml:id="echoid-s6095" xml:space="preserve"/>
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            <s xml:id="echoid-s6096" xml:space="preserve">Quantitas ejus preſſionis cognita eſt, & </s>
            <s xml:id="echoid-s6097" xml:space="preserve">determinata, per
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            gravitatem aëris, & </s>
            <s xml:id="echoid-s6098" xml:space="preserve">per magnitudinem diametri emboli, qui,
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            ſi ſit unius pedis, ita premitur, ut ſuſtineat pondus 1800
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            circiter librarum; </s>
            <s xml:id="echoid-s6099" xml:space="preserve">poſito, quod cylindrus totus fiat aëre va-
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            cuus, quod huc uſque efficere non potui; </s>
            <s xml:id="echoid-s6100" xml:space="preserve">etiam experi-
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            menta eo reſpectu in magnis & </s>
            <s xml:id="echoid-s6101" xml:space="preserve">parvis cylindris non eodem
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            modo proceſſere.</s>
            <s xml:id="echoid-s6102" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s6103" xml:space="preserve">Cylindrus diametri 2{1/2} pollicum, & </s>
            <s xml:id="echoid-s6104" xml:space="preserve">20 poll. </s>
            <s xml:id="echoid-s6105" xml:space="preserve">longus, pon-
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            dere 6 granorum pulveris aëre, evacuatus fuit {5/6} partibus;
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            </s>
            <s xml:id="echoid-s6106" xml:space="preserve">in cylindro ejusdem latitudinis, ſed longitudinis 44 poll.</s>
            <s xml:id="echoid-s6107" xml:space="preserve">,
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            requiruntur 36 grana pulveris ut ejiciantur {4/6} aëris; </s>
            <s xml:id="echoid-s6108" xml:space="preserve">Et in
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            cylindro diametri unius pedis, & </s>
            <s xml:id="echoid-s6109" xml:space="preserve">3{1/2} altitudinis, 1{1/2} drachma
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            pulveris ad fugandum {1/2} aëris; </s>
            <s xml:id="echoid-s6110" xml:space="preserve">& </s>
            <s xml:id="echoid-s6111" xml:space="preserve">duplicata pulveris quanti-
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            tate vix magis evacuatus fuit cylindrus.</s>
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