Biancani, Giuseppe, Aristotelis loca mathematica, 1615

List of thumbnails

< >
121
121 		122
122
123
123 		124
124
125
125 		126
126
127
127 		128
128
129
129 		130
130
< >
page |< < of 355 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="130" xlink:href="009/01/130.jpg"/>
            <p type="head">
              <s id="s.002203">Cur lunares Irides fiunt rariores?</s>
            </p>
            <p type="head">
              <s id="s.002204">
                <emph type="italics"/>
              Problema Quintum.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002205">Qvoniam iuxta plenilunia tantum, cum ſcilicet Luna plurimo lumine
                <lb/>
              abundat, quod Iridem efficere debet, contingunt: præterea quia cum
                <lb/>
              lunare lumen debile ſit, niſi aliæ cauſæ perfectæ admodum concur­
                <lb/>
              rant, quod rarò accidit, Iris nullo modo effulgere valet. </s>
              <s id="s.002206">Hactenus de Iri­
                <lb/>
              dis figura ſit ſatis.</s>
            </p>
            <p type="head">
              <s id="s.002207">
                <emph type="italics"/>
              Summa 2. cap. 5. De Parelio.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002208">
                <arrow.to.target n="marg173"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.002209">
                <margin.target id="marg173"/>
              182</s>
            </p>
            <p type="main">
              <s id="s.002210">Textus
                <emph type="italics"/>
              (Fiunt autem vt diximus, & Virgæ, & Parelia in ortu, & oc­
                <lb/>
              caſu, & nec ſupra Solem, nec infra, ſed ex lateribus, nec propè admo­
                <lb/>
              dum, nec procul omninò. </s>
              <s id="s.002211">propinquam enim concretionem Sol diſſoluit:
                <lb/>
              ſi autem procul abſit, aſpectus non reflectetur, ſi enim à paruo ſpeculo
                <lb/>
              procul protenditur imbecillus fit. </s>
              <s id="s.002212">quare, & Coronæ è regione Solis non fiunt. </s>
              <s id="s.002213">ſi igi­
                <lb/>
              tur ſupra fuerit, & proxima; eam Sol diſſoluet: ſi verò procul aſpectus minor
                <lb/>
              quam vt reflecti poſſit in Solem non incidet; à latere autem fieri poteſt, vt ſpecu­
                <lb/>
              lum ita distet à Sole, vt non ſoluatur, & aſpectus totus ad eum perueniat, eo quod
                <lb/>
              ad terram dum fertur, quaſi per immenſum feratur, peruenire nequeat. </s>
              <s id="s.002214">ſub Sole
                <lb/>
              verò non fit, quia cum ad terram propius acceſſerit à Sole diſſoluitur, cum medium
                <lb/>
              cœli tenuerit aſpectus diſtrahitur. </s>
              <s id="s.002215">omninò ne à latere quidem, Sole medium cœli
                <lb/>
              tenente, efficitur, quia aſpectus ſub terram non fertur, quare exiguus ad ſpeculum
                <lb/>
              producitur, & qui reflectitur prorſus imbecillis redditur)
                <emph.end type="italics"/>
              ibi
                <emph type="italics"/>
              (propinquam enim
                <lb/>
              concretionem Sol diſſoluit)
                <emph.end type="italics"/>
              rationes, quas affert circa Parelia videntur (auda­
                <lb/>
              cter loquar) admodum debiles. </s>
              <s id="s.002216">præſens ea eſt, vt Parelium non fiat propè
                <lb/>
              Solem, quia illa nubis concretio, quæ Parelio neceſſaria eſt, nequit adeo So­
                <lb/>
              li propinqua eſſe, quia nimirum Sol ob propinquitatem eam diſſolueret; ſed
                <lb/>
              quis non videt eam nubem, quam vulgò exiſtimamus eſſe Soli propinquam,
                <lb/>
              ſeu quaſi inter nos, & Solem tantum, imò etiam minus aliquando à Sole ve­
                <lb/>
              rè diſtare, quàm alia, quàm vulgò remotiorem à Sole putabimus? </s>
              <s id="s.002217">præte­
                <lb/>
              rea omnes nubes noſtri horizontis re vera æquidiſtare à Sole certum eſt, ob
                <lb/>
              maximam enim Solis diſtantiam totus noſter horizon phyſicus eſt inſenſi­
                <lb/>
              bilis quantitatis ad Solem, & vnius puncti vicem gerit.</s>
            </p>
            <p type="main">
              <s id="s.002218">Ibi verò
                <emph type="italics"/>
              (Si autem procul abſit, &c.)
                <emph.end type="italics"/>
              reddit rationem, cur parelium non
                <lb/>
              appareat in nube à Sole valde remota ſecundum vulgarem æſtimationem,
                <lb/>
              vnde vulgarem etiam rationem affert, ait enim, nubem illam eſſe veluti ſpe­
                <lb/>
              culum Solis repreſentatiuum, ſpeculum autem tàm longè à Sole poſitum,
                <lb/>
              reddi debile, & proptereá non poſſe Solis imaginem referre: Verùm ratio
                <lb/>
              hæc nulla eſſe videtur, quis enim ignorat non propterea eſſe remotius à So­
                <lb/>
              le, quamuis maiorem habere videatur à Sole lateralem diſtantiam, vt pau­
                <lb/>
              lò ante dixi? </s>
              <s id="s.002219">Eandem rationem illi dubitationi accommodat, cur
                <expan abbr="neq;">neque</expan>
              vi­
                <lb/>
              deatur ſupra Solem, quamuis non ei quadret, poteſt enim aliqua nubes </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum