Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

List of thumbnails

< >
331
331
332
332
333
333
334
334
335
335
336
336
337
337
338
338
339
339
340
340
< >
page |< < of 360 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.002199">
                <pb pagenum="296" xlink:href="028/01/336.jpg"/>
              autem poſito, Stellarum mille viginti duarum diſculos
                <lb/>
              in diſcum vnum compoſui, ipſumque ad diſcum Solis
                <lb/>
              comparando, comperi non eſſe, niſi illius particulam
                <lb/>
                <expan abbr="quadringẽteſimam">quadringenteſimam</expan>
              trigeſimam vnam: ac proinde, dia­
                <lb/>
              metro Solis exſiſtente minutorum triginta, ratiocina­
                <lb/>
              tus ſum diametrum diſci ex omnibus Stellis compoſiti,
                <lb/>
              non eſſe maiorem vno minuto cum ſemiſſe; quantæ
                <lb/>
              vulgò eſſe apparet Stella magnitudinis quartæ. </s>
              <s id="s.002200">Quod
                <lb/>
              ſi dimidium detrahas, ob Stellas, quæ ſub horizonte:
                <lb/>
              ſequitur diſcum ex reſiduis, non fore maiorem vna
                <lb/>
              octingenteſima ſexageſima tertia diſci Solaris particu­
                <lb/>
              la: ac eius diametrum futuram vnius proximè minuti
                <lb/>
              dumtaxat: hoc eſt, quantæ eſſe apparet Stella magni­
                <lb/>
              tudinis quintæ. </s>
              <s id="s.002201">Quare & ex hoc deſii admirari, quam­
                <lb/>
              obrem lux omnium Stellarum ſupra horizontem lu­
                <lb/>
              centium tam parum Terræ faciem illuſtrent; tuque ex­
                <lb/>
              inde animaduertis quo progreſſu peruenerim ad in­
                <lb/>
              credibile fig mentum. </s>
            </p>
            <p type="main">
              <s id="s.002202">XXXVI. </s>
              <s id="s.002203">At verò, inquies, ecquiſ-nam capiat non
                <lb/>
              eſſe ingens totum maius tantulâ ſui particulâ: ſeu tan­
                <lb/>
              tam, quæ apparet lucem in omnibus Stellis ſupra hori­
                <lb/>
              zontem coruſcantibus, in exiguum adeò ſpatium con­
                <lb/>
              trahi, vt non ſit eo maius, quod à ſtellula magnitudinis
                <lb/>
              quintæ occupatur? </s>
              <s id="s.002204">Sed nimirùm conſidera; ſi foret
                <lb/>
              Stella, quæ reuerâ eſſet diametro minuti vnius, fore, vt
                <lb/>
              lux eius ſpectata intra nocturnas tenebras appareret
                <lb/>
              oculo incompa biliter maior. </s>
              <s id="s.002205">Si enim quæ Stella eſt
                <lb/>
              diametro ſolùm vnius ſecundi cum beſſe: apparet ni­
                <lb/>
              hilominùs diametro vnius minuti: ſanè, ſi proportio­
                <lb/>
              nem admittas, ea apparitura erit diametro minutorum </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>