Aristoteles; Strato <Lampsacenus>; Theophrastus, De coloribvs libellvs

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            <s xml:id="echoid-s2727" xml:space="preserve">
              <pb o="96" file="0102" n="102" rhead="SIM. PORTII COMMENTAR."/>
            apparet colore cyaneus; </s>
            <s xml:id="echoid-s2728" xml:space="preserve">propter raritatem.
              <lb/>
            </s>
            <s xml:id="echoid-s2729" xml:space="preserve">vbi enim deficit lumen, ibi tenebra interce-
              <lb/>
            ptus, apparet cyaneus. </s>
            <s xml:id="echoid-s2730" xml:space="preserve">condenſatus autẽ
              <lb/>
            quemadmodum & </s>
            <s xml:id="echoid-s2731" xml:space="preserve">aqua, omnium albiſsi-
              <lb/>
            mus eſt.</s>
          </p>
          <p>
            <s xml:id="echoid-s2732" xml:space="preserve">Cùm ad certũ numerum cauſas infinitatis colorũ
              <lb/>
            reduxerit, & </s>
            <s xml:id="echoid-s2733" xml:space="preserve">multa de lumine, multáq. </s>
            <s xml:id="echoid-s2734" xml:space="preserve">de coloribus
              <lb/>
            explicuerit, & </s>
            <s xml:id="echoid-s2735" xml:space="preserve">verba fecerit de aqua & </s>
            <s xml:id="echoid-s2736" xml:space="preserve">aëre, quæ ſunt
              <lb/>
            prima media: </s>
            <s xml:id="echoid-s2737" xml:space="preserve">vt de tertia cauſa colorum mediorum,
              <lb/>
            in præſenti declarat diuerſam naturam aëris & </s>
            <s xml:id="echoid-s2738" xml:space="preserve">aquæ,
              <lb/>
            & </s>
            <s xml:id="echoid-s2739" xml:space="preserve">aliorum mediorum. </s>
            <s xml:id="echoid-s2740" xml:space="preserve">& </s>
            <s xml:id="echoid-s2741" xml:space="preserve">Sumit primò, quòd quan-
              <lb/>
            do medium fuerit album & </s>
            <s xml:id="echoid-s2742" xml:space="preserve">perſpicuum: </s>
            <s xml:id="echoid-s2743" xml:space="preserve">vel quando
              <lb/>
            corpus aliquod, fuerit eiuſmodi, & </s>
            <s xml:id="echoid-s2744" xml:space="preserve">valde rarum, co-
              <lb/>
            lore aëreum apparet. </s>
            <s xml:id="echoid-s2745" xml:space="preserve">Ratio in promptu eſt. </s>
            <s xml:id="echoid-s2746" xml:space="preserve">nam pro-
              <lb/>
            pter ſuam perſpicuitatem & </s>
            <s xml:id="echoid-s2747" xml:space="preserve">luciditatem, aër colorẽ
              <lb/>
            album ſibi vendicat; </s>
            <s xml:id="echoid-s2748" xml:space="preserve">& </s>
            <s xml:id="echoid-s2749" xml:space="preserve">vt ipſe paulò poſt inquiet, ſi ci
              <lb/>
            tra externam humiditatem, in aqueam craſsitiem co-
              <lb/>
            ierit, albiſsimum corpus apparebit. </s>
            <s xml:id="echoid-s2750" xml:space="preserve">
              <emph style="sc">IN DENSIS VE
                <lb/>
              RO'
                <unsure/>
              OMNIBVS</emph>
            .) </s>
            <s xml:id="echoid-s2751" xml:space="preserve">Sumit aliud corpus dẽſiuſculum,
              <lb/>
            in cuius ſuperficie, (hoc enim ſignificat, ἐπιφ{αί}νετ{αι}.) </s>
            <s xml:id="echoid-s2752" xml:space="preserve">
              <lb/>
            ſemper viſitur nubecula quædã, quam vocat ἀχ λ{ὺν},
              <lb/>
            hoc eſt caliginem, vt in aqua & </s>
            <s xml:id="echoid-s2753" xml:space="preserve">vitro. </s>
            <s xml:id="echoid-s2754" xml:space="preserve">in iis enim ap-
              <lb/>
            paret quædam nubecula ex atro albicans: </s>
            <s xml:id="echoid-s2755" xml:space="preserve">vt & </s>
            <s xml:id="echoid-s2756" xml:space="preserve">in aë-
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            re, quando externo lentore craſſeſcit, & </s>
            <s xml:id="echoid-s2757" xml:space="preserve">humidior fa-
              <lb/>
            ctus eſt. </s>
            <s xml:id="echoid-s2758" xml:space="preserve">Subdit autem rationem, quare hoc non ſit
              <lb/>
            medium exquiſitum, réſque non ita exacte videntur,
              <lb/>
            ſicut in medio albo & </s>
            <s xml:id="echoid-s2759" xml:space="preserve">diaphano. </s>
            <s xml:id="echoid-s2760" xml:space="preserve">radiis enim, inquit,
              <lb/>
            propter denſitatem & </s>
            <s xml:id="echoid-s2761" xml:space="preserve">craſsitudinem aëris deficienti-
              <lb/>
            bus, nequimus quæ intra eum conduntur exactè vi-
              <lb/>
            dere, hoc eſt cernere, quales ſua natura ſunt. </s>
            <s xml:id="echoid-s2762" xml:space="preserve">Cęterum
              <lb/>
            hùc ſe infert difficultas, quo pacto, ſi per medium
              <lb/>
            craſsiuſculum res non videntur exactè, per aquam, </s>
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