Bernoulli, Daniel, Hydrodynamica, sive De viribus et motibus fluidorum commentarii

Table of Notes

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            loco caloris aquæ bullientis thermometrum etiam poſſit certis & </s>
            <s xml:id="echoid-s5968" xml:space="preserve">fixis men-
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            ſuris fieri, ſi experimento denſitas aëris exploretur ſeu ejus gravitas ſpecifi-
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            ca ſimulque altitudo barometri notetur. </s>
            <s xml:id="echoid-s5969" xml:space="preserve">Si enim thermometrum inclinetur,
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            donec ſuperficies mercurii fuerit in g & </s>
            <s xml:id="echoid-s5970" xml:space="preserve">eo tempore altitudo barometri fue-
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            rit 28. </s>
            <s xml:id="echoid-s5971" xml:space="preserve">poll. </s>
            <s xml:id="echoid-s5972" xml:space="preserve">Paris. </s>
            <s xml:id="echoid-s5973" xml:space="preserve">atque pes cubicus aëris, in quo thermometrum poſitum eſt,
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            pondus habuerit 600. </s>
            <s xml:id="echoid-s5974" xml:space="preserve">gran. </s>
            <s xml:id="echoid-s5975" xml:space="preserve">Norimb, poterit altitudo verticalis gh ceu pri-
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            mus caloris gradus conſiderari. </s>
            <s xml:id="echoid-s5976" xml:space="preserve">Si autem alio loco & </s>
            <s xml:id="echoid-s5977" xml:space="preserve">tempore altitudo baro-
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            metri fuerit 29. </s>
            <s xml:id="echoid-s5978" xml:space="preserve">poll. </s>
            <s xml:id="echoid-s5979" xml:space="preserve">Paris. </s>
            <s xml:id="echoid-s5980" xml:space="preserve">& </s>
            <s xml:id="echoid-s5981" xml:space="preserve">pondus pedis cub. </s>
            <s xml:id="echoid-s5982" xml:space="preserve">aëris, qui ambit aliud ther-
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            mometrum (in quo primum caloris gradum definire animus eſt) ſit 500. </s>
            <s xml:id="echoid-s5983" xml:space="preserve">gran.
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            </s>
            <s xml:id="echoid-s5984" xml:space="preserve">Norimb. </s>
            <s xml:id="echoid-s5985" xml:space="preserve">ac denique ſuperficies mercurii in thermometro rurſus ſiting, erit
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            altitudo verticalis primo caloris gradui conveniens {29.</s>
            <s xml:id="echoid-s5986" xml:space="preserve">600/28.</s>
            <s xml:id="echoid-s5987" xml:space="preserve">500} X gh. </s>
            <s xml:id="echoid-s5988" xml:space="preserve">In uſu
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            thermometri inclinetur ſemper inſtrumentum, donec ſuperficies mercurii ſit
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            ing: </s>
            <s xml:id="echoid-s5989" xml:space="preserve">Volui methodum hanc apponere ut appareret quam facile ſit in theo-
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            ria fixam dare caloris menſuram: </s>
            <s xml:id="echoid-s5990" xml:space="preserve">In praxi vero alteram multo faciliorem
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            ſatisque accuratam huic prætulerim.</s>
            <s xml:id="echoid-s5991" xml:space="preserve"/>
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            <s xml:id="echoid-s5992" xml:space="preserve">§. </s>
            <s xml:id="echoid-s5993" xml:space="preserve">11. </s>
            <s xml:id="echoid-s5994" xml:space="preserve">Veniamus nunc ad aëris conſiderandam atmoſphæram, quæ
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            non à ſuperincumbente pondere alieno, ſed propria coërcetur mole: </s>
            <s xml:id="echoid-s5995" xml:space="preserve">Primè
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            autem examinabimus preſſiones columnarum aërearum verticalium atque æqui-
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            libria earum tum inter ſe tum cum columna mercuriali in barometris: </s>
            <s xml:id="echoid-s5996" xml:space="preserve">Secundò
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            elaſticitates aëris in variis atmoſphæræ altitudinibus ſupra mare atque altitudi-
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            nes reſpondentes barometricas rimabimur: </s>
            <s xml:id="echoid-s5997" xml:space="preserve">Atque his præmiſſis, plurimis ſa-
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            tisfaciemus phænomenis aliis ad mutationes atmoſphæræ pertinentibus.</s>
            <s xml:id="echoid-s5998" xml:space="preserve"/>
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            <s xml:id="echoid-s5999" xml:space="preserve">§. </s>
            <s xml:id="echoid-s6000" xml:space="preserve">12. </s>
            <s xml:id="echoid-s6001" xml:space="preserve">Sint duo tubi æqualis amplitudinis verticales A C & </s>
            <s xml:id="echoid-s6002" xml:space="preserve">B D
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            (Fig. </s>
            <s xml:id="echoid-s6003" xml:space="preserve">58.) </s>
            <s xml:id="echoid-s6004" xml:space="preserve">uterque indefinitæ altitudinis: </s>
            <s xml:id="echoid-s6005" xml:space="preserve">Deinde finge tubulos ſtrictiores ho-
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              <note position="left" xlink:label="note-0220-01" xlink:href="note-0220-01a" xml:space="preserve">Fig. 58.</note>
            rizontales ab, cd, ef, gh, lm, & </s>
            <s xml:id="echoid-s6006" xml:space="preserve">c. </s>
            <s xml:id="echoid-s6007" xml:space="preserve">numero veluti infinitos, utrinque apertos & </s>
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            hiantes in tubos verticales. </s>
            <s xml:id="echoid-s6009" xml:space="preserve">Puta præterea ubique aëreas particulas hos tubos
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            occupantes eadem velocitate agitari, eundemque adeo caloris gradum habe-
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            re: </s>
            <s xml:id="echoid-s6010" xml:space="preserve">Ita dubium nullum eſt, quin funda A & </s>
            <s xml:id="echoid-s6011" xml:space="preserve">B æqualiter premantur ſimulque
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            ipſis æquale pondus (quod ſcilicet ipſum eſt pondus columnæ aëreæ indefini-
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            tæ A C vel B D) ſuperincumbat.</s>
            <s xml:id="echoid-s6012" xml:space="preserve"/>
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            <s xml:id="echoid-s6013" xml:space="preserve">Intelligis etiam, ſi in æqualibus altitudinibus veluti in g & </s>
            <s xml:id="echoid-s6014" xml:space="preserve">h diaphrag-
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            mata fingas atque abeſſe putes aërem inferiorem g A & </s>
            <s xml:id="echoid-s6015" xml:space="preserve">h B, etiamnum iſta </s>
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