Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.002001">
                <pb pagenum="113" xlink:href="009/01/113.jpg"/>
              uatur, intelligunt Aſtronomi circulum quendam ſemper apparentium ma­
                <lb/>
              ximum, quem deſcribunt ex ipſo polo, tanquam centro, & interuallo vſque
                <lb/>
              ad horizontem, circa ipſum polum: hunc appellant ſemper apparentium,
                <lb/>
              maximum, quia intra hunc alios quamplurimos concipiunt circa eundem
                <lb/>
              polum, quorum minores ſemper ſunt polo propinquiores. </s>
              <s id="s.002002">huius igitur dia­
                <lb/>
              metrum vult Ariſt. per lineam, quæ à K, in I, duceretur (quamuis non exa­
                <lb/>
              ctè) repreſentari.</s>
            </p>
            <p type="main">
              <s id="s.002003">
                <emph type="italics"/>
              Contrarij autem non ſunt his ſtatibus,
                <expan abbr="neq;">neque</expan>
              ipſi Meſe, ſpiraret enim
                <expan abbr="vtiq;">vtique</expan>
              aliquis
                <lb/>
              ab eo, in quo M. hoc enim illi eſt ſecundum diametrum;
                <expan abbr="neq;">neque</expan>
              Trafciæ ab N, enim,
                <lb/>
              quod punctum per diametrum aduerſum illi eſt, ſpiraret. </s>
              <s id="s.002004">Niſi ab eo veniat, qui ta­
                <lb/>
              men non longè progreditur ventus quidam, quem accolæ Phæniciam vocant. </s>
              <s id="s.002005">maxi­
                <lb/>
              mè igitur præcipui, & definiti venti hi ſunt:
                <expan abbr="hocq́">hocque</expan>
              , modo diſpoſiti)
                <emph.end type="italics"/>
              ſupradicta por­
                <lb/>
              rò omnia ex ſequenti figura optimè poterunt intelligi, quam diligenti ope­
                <lb/>
              ra ad mentem Ariſt. ex græcis codicibus reſtituere conatus ſum, cum ani­
                <lb/>
              maduerterem figuras valdè deprauatas paſſim apud
                <expan abbr="cõmentatores">commentatores</expan>
              reperiri.
                <lb/>
              </s>
              <s id="s.002006">Porrò ad literam M, in figura ſcripſi ventum Libonotum, quem Ariſt. qui­
                <lb/>
              dem non ponit propter ipſius paruitatem; imò apertè dicit Heleſpontum
                <lb/>
              non habere contrarium: ſed feci, vt completum ventorum numerum, quem
                <lb/>
              alij tradunt, haberemus.</s>
            </p>
          </chap>
          <chap>
            <p type="head">
              <s id="s.002007">
                <emph type="italics"/>
              Ex Tertio Meteororum.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002008">
                <arrow.to.target n="marg161"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.002009">
                <margin.target id="marg161"/>
              160.b</s>
            </p>
            <p type="main">
              <s id="s.002010">Antequam textuum explicationem aggrediar, illud animaduerten-
                <lb/>
              dum eſt,
                <expan abbr="vbicunq;">vbicunque</expan>
              interpretatio antiqua vtitur verbis, refractio,
                <lb/>
              & refrangere; ibi Vicomercatum in ſua interpretatione meritò,
                <lb/>
              & propriè vſum eſſe verbis; reflexio, & reflecti: differunt enim
                <lb/>
              valdè apud Opticos refractio, & reflexio, vt etiam refrangere, & reflectere.
                <lb/>
              </s>
              <s id="s.002011">propterea optimè hoc loco Olympiodorus diſtinguit inter
                <foreign lang="grc">ανακλασιν, και
                  <lb/>
                διακλασιν,</foreign>
              reflexionem, & refractionem. </s>
              <s id="s.002012">Reflexio enim fit ex repercuſſo, vt
                <lb/>
              quando lumen Solis incidens in aliquod ſpeculum, inde reſilit in oppoſitum
                <lb/>
              parietem, illud reſilire eſt propriè perſpectiuis reflecti, vnde reflexio. </s>
              <s id="s.002013">Re­
                <lb/>
              fractio autem fit ex tranſpectu: vt quando lapis, qui eſt in aqua, emittit
                <lb/>
              fuam ſpeciem ad oculum, qui eſt in aere, tunc enim, quia ſpecies lapidis re­
                <lb/>
              preſentatiua non tendit recta ad oculum, ſed in confinio aquæ, & aeris fran­
                <lb/>
              gitur, dicitur fieri refractio, & refrangi, in refractione igitur requiruntur
                <lb/>
              duo media, per quæ fiat viſio, quæ ſint diuerſæ denſitatis, vt ſunt aqua, &
                <lb/>
              aer: vapor, exhalatio, & aer: vitrum, & aer, &c. </s>
              <s id="s.002014">quando igitur videmus
                <lb/>
              Solem, aut Lunam per vapores, aut exhalationes fit refractio, quia denſior
                <lb/>
              eſt vapor, & exhalatio, quam aer.</s>
            </p>
            <p type="main">
              <s id="s.002015">Notandum etiam Aream, de qua mox dicam explicari poſſe tam per re­
                <lb/>
              flexionem, quàm per refractionem: per reflexionem, quia ſupponunt Philo­
                <lb/>
              ſophi eſſe in acre rorido innumera ſpecula parua inuicem valdè proxima,
                <lb/>
              ideſt guttulas, per quas reflectatur ad oculum noſtrum ſpecies ſyderis. </s>
              <s id="s.002016">per
                <lb/>
              refractionem verò, vt vult Vitellio, quia ſumit totum illum aerem humi­
                <lb/>
              dum magis denſum eſſe aere paro, qui eſt circa oculos noſtros, & hoc modo
                <lb/>
              conſtituit diuerſa media in denſitate, per quam fiat viſio; corpus inquam </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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