Casati, Paolo, De igne dissertationes physicae, 1686

Page concordance

< >
Scan Original
31 19
32 20
33 21
34 22
35 23
36 24
37 25
38 26
39 27
40 28
41 29
42 30
43 31
44 32
45 33
46 34
47 35
48 36
49 37
50 38
51 39
52 40
53 41
54 42
55 43
56 44
57 45
58 46
59 47
60 48
< >
page |< < (47) of 672 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div14" type="section" level="1" n="13">
          <p>
            <s xml:id="echoid-s1595" xml:space="preserve">
              <pb o="47" file="0059" n="59" rhead="De ignis loco"/>
            duas vires elaſticas ſaltem æquales (niſi probabiliùs dicantur
              <lb/>
            multo plures partes cylindri aërij extrinſeci æquè compreſſæ va-
              <lb/>
            lidiùs coniunctis viribus conari, vt ſe explicent) &</s>
            <s xml:id="echoid-s1596" xml:space="preserve">, ſpectatâ gra-
              <lb/>
            uitate, leuior cylindro aërio extrinſecus premente, deberet con-
              <lb/>
            ſiſtere; </s>
            <s xml:id="echoid-s1597" xml:space="preserve">cylindrulus quippe aërius fiſtulæ incluſus longiſſimè le-
              <lb/>
            uior eſt grauitate Mercurij, quo ſpatium illud impleretur, cui
              <lb/>
            tamen extrinſecus aëris cylindrus reluctaretur, ne deſcenderet:
              <lb/>
            </s>
            <s xml:id="echoid-s1598" xml:space="preserve">Quapropter Mercurius in fiſtulâ breuiore digitis 30 concluſus pa-
              <lb/>
            riter cum aëre, ſuſtinendus eſſet: </s>
            <s xml:id="echoid-s1599" xml:space="preserve">& </s>
            <s xml:id="echoid-s1600" xml:space="preserve">tamen deſcendit.</s>
            <s xml:id="echoid-s1601" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1602" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s1603" xml:space="preserve">Quanquam aëri compreſſo vis elaſtica deneganda non
              <lb/>
            ſit, cum ex follibus pugillatorijs inflatis, ſi fortè in clauum im-
              <lb/>
            pingantur, quo aluta perforetur, audiamus aërem cum ſibilo
              <lb/>
            erumpentem; </s>
            <s xml:id="echoid-s1604" xml:space="preserve">hæc tamen aëris noſtri infimi compreſſio facta à ſu-
              <lb/>
            perioribus aëris partibus illi imminentibus mihi arridere non po-
              <lb/>
            teſt. </s>
            <s xml:id="echoid-s1605" xml:space="preserve">Memini me haud ita pridem legiſſe apud Boyle in *Defenſione*
              <lb/>
            *contra Linum part.</s>
            <s xml:id="echoid-s1606" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1607" xml:space="preserve">cap.</s>
            <s xml:id="echoid-s1608" xml:space="preserve">4.</s>
            <s xml:id="echoid-s1609" xml:space="preserve">* obſeruationem in Galliâ ab accuratiſ-
              <lb/>
            ſimis æquè ac doctiſſimis viris Paſchalio & </s>
            <s xml:id="echoid-s1610" xml:space="preserve">Pecqueto factam in ex-
              <lb/>
            perimento Torricelliano ad radicem montis alti hexapodas 500,
              <lb/>
            hoc eſt ped. </s>
            <s xml:id="echoid-s1611" xml:space="preserve">3000; </s>
            <s xml:id="echoid-s1612" xml:space="preserve">& </s>
            <s xml:id="echoid-s1613" xml:space="preserve">deprehenſa eſt ibi certâ altitudo Mercurijin fi-
              <lb/>
            ſtulâ. </s>
            <s xml:id="echoid-s1614" xml:space="preserve">Translata eſt fiſtula cum vaſe ad altitudinem hexapodarü 150,
              <lb/>
            & </s>
            <s xml:id="echoid-s1615" xml:space="preserve">Mercurius factus eſt in fiſtulâ humilior digitos 2 {1/4}, quàm in
              <lb/>
            primâ ſtatione. </s>
            <s xml:id="echoid-s1616" xml:space="preserve">Deinde in montis vertice, poſt aſcenſum adhuc
              <lb/>
            hexapodarum 350, ad tres ferè digitos infra altitudinem primæ
              <lb/>
            ſtationis deſcenderat Mercurius. </s>
            <s xml:id="echoid-s1617" xml:space="preserve">Ex quo cylindri aërij grauita-
              <lb/>
            tem inferri volunt diminutam, prout breuior factus eſt cylindrus.
              <lb/>
            </s>
            <s xml:id="echoid-s1618" xml:space="preserve">Sunt igitur tres altitudines cylindrorum Mercurialium æquipon-
              <lb/>
              <figure xlink:label="fig-0059-01" xlink:href="fig-0059-01a" number="3">
                <image file="0059-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0059-01"/>
              </figure>
            derantium cum cylindris aërijs: </s>
            <s xml:id="echoid-s1619" xml:space="preserve">nimirum cylindrus AB in primâ
              <lb/>
            ſtatione æquè grauis eſt, ac integer cylindrus aërius: </s>
            <s xml:id="echoid-s1620" xml:space="preserve">cylindrus
              <lb/>
            IB æquiponderat cum cylindro aërio diminuto hexapodis 150;
              <lb/>
            </s>
            <s xml:id="echoid-s1621" xml:space="preserve">igitur grauitas digit. </s>
            <s xml:id="echoid-s1622" xml:space="preserve">2 {1/4} Mercurij AI eſt æqualis grauitati priorum
              <lb/>
            150 hexapodarum cylindri aërij: </s>
            <s xml:id="echoid-s1623" xml:space="preserve">Cylindrus verò OB Mercurij
              <lb/>
            æqualem habet grauitatem cum aërio cylindro adhuc diminuto
              <lb/>
            hexapodis 350; </s>
            <s xml:id="echoid-s1624" xml:space="preserve">quapropter grauitas digit. </s>
            <s xml:id="echoid-s1625" xml:space="preserve">{3/4} Mercurij IO æquat
              <lb/>
            grauitatem conſequentium poſt ſecundam ſtationem hexapoda-
              <lb/>
            rum 350. </s>
            <s xml:id="echoid-s1626" xml:space="preserve">Itaque grauitas AI ad grauitatem IO eſt vt 2 {1/4} ad {3/4},
              <lb/>
            hoc eſt vt 3 ad 1. </s>
            <s xml:id="echoid-s1627" xml:space="preserve">differentiæ autem cylindrorum aëriorum ſunt vt
              <lb/>
            150 ad 350, hoc eſt vt 3 ad 7. </s>
            <s xml:id="echoid-s1628" xml:space="preserve">Cum igitur grauitas priorum 150
              <lb/>
            hexapodarum aërij cylindri ſit vt 3, & </s>
            <s xml:id="echoid-s1629" xml:space="preserve">grauitas conſequentium </s>
          </p>
        </div>
      </text>
    </echo>
Impressum