Ibn-al-Haitam, al-Hasan Ibn-al-Hasan; Witelo; Risner, Friedrich, Opticae thesavrvs Alhazeni Arabis libri septem, nunc primùm editi. Eivsdem liber De Crepvscvlis & Nubium ascensionibus. Item Vitellonis Thuvringopoloni Libri X. Omnes instaurati, figuris illustrati & aucti, adiectis etiam in Alhazenum commentarijs, a Federico Risnero, 1572

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            <s xml:id="echoid-s22" xml:space="preserve">
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            ticis expectauimus) cum P.</s>
            <s xml:id="echoid-s23" xml:space="preserve"> Ramus diu multumq́;</s>
            <s xml:id="echoid-s24" xml:space="preserve"> peruarias
              <lb/>
            bibliothecas requiſitum, ueſtigijsq́;</s>
            <s xml:id="echoid-s25" xml:space="preserve"> omnibus indagatũ tan
              <lb/>
            dem in auctione publica proſtitutu, & tanquam pro deſer-
              <lb/>
            to habitum coemiſſet:</s>
            <s xml:id="echoid-s26" xml:space="preserve"> alterũ poſtea etiam exemplar nactus
              <lb/>
            eſſet:</s>
            <s xml:id="echoid-s27" xml:space="preserve"> utrunq;</s>
            <s xml:id="echoid-s28" xml:space="preserve"> mihi (quem aliquot antè annos mathematicę
              <lb/>
            exercitationis conſortem & adiutorem habuiſſet) conferen
              <lb/>
            dum tradidit:</s>
            <s xml:id="echoid-s29" xml:space="preserve"> poſteaq́;</s>
            <s xml:id="echoid-s30" xml:space="preserve">, cum è medio renaſcentium bellorũ
              <lb/>
            ardore mathemata quædam ſibi chariora, & hunc Alhaze-
              <lb/>
            nũ inprimis è bibliotheca ſua ſub duxiſſet, Baſileam me cum
              <lb/>
            his tanquam penatibus ſecum abduxit, & annum integrum
              <lb/>
            in authore iſto reſtituẽdo & conformando occupauit.</s>
            <s xml:id="echoid-s31" xml:space="preserve"> Dili-
              <lb/>
            gentiam ſanè & doctrinam in arabe homine mirabilem de-
              <lb/>
            prehendi, nec admodum, quod animaduertere potuerim, à
              <lb/>
            ueteribus Græciæ opticis adiutã.</s>
            <s xml:id="echoid-s32" xml:space="preserve"> Euclideũ hic uel Ptolemai
              <lb/>
            cum nihil ferè eſt.</s>
            <s xml:id="echoid-s33" xml:space="preserve"> Aliquid fortaſſe ſumpſerat ex Archimede,
              <lb/>
            Apollonio & Auenello, à quibus optica quædam conſcri-
              <lb/>
            pta eſſe monimẽtis literarũ teſtatum extat:</s>
            <s xml:id="echoid-s34" xml:space="preserve"> item à Damiano
              <lb/>
            & alijs opticis, quorũ libri in manus meas nondum incide-
              <lb/>
            runt.</s>
            <s xml:id="echoid-s35" xml:space="preserve"> Veterum tamen opticorum lectionem Alhazenus ipſe
              <lb/>
            confitetur lib.</s>
            <s xml:id="echoid-s36" xml:space="preserve"> 6.</s>
            <s xml:id="echoid-s37" xml:space="preserve"> cap.</s>
            <s xml:id="echoid-s38" xml:space="preserve"> 4.</s>
            <s xml:id="echoid-s39" xml:space="preserve"> de errore, qui accidit in ſpeculis ſphę
              <lb/>
            ricis conuexis.</s>
            <s xml:id="echoid-s40" xml:space="preserve"> & lib.</s>
            <s xml:id="echoid-s41" xml:space="preserve"> 7.</s>
            <s xml:id="echoid-s42" xml:space="preserve"> cap.</s>
            <s xml:id="echoid-s43" xml:space="preserve"> 6.</s>
            <s xml:id="echoid-s44" xml:space="preserve"> quomodo uiſus cõprehendat
              <lb/>
            uiſibilia ſecundum refractionẽ.</s>
            <s xml:id="echoid-s45" xml:space="preserve"> Quam obrem cum luculen
              <lb/>
            tum quidem ſcriptorem & copioſum opticũ, ſed ualde con
              <lb/>
            fuſum perſpexiſſem:</s>
            <s xml:id="echoid-s46" xml:space="preserve"> id mihi P.</s>
            <s xml:id="echoid-s47" xml:space="preserve"> Ramo ſuaſore & authore con.</s>
            <s xml:id="echoid-s48" xml:space="preserve">
              <lb/>
            ſilium ſumpſi:</s>
            <s xml:id="echoid-s49" xml:space="preserve"> quod eſt eiuſmodi.</s>
            <s xml:id="echoid-s50" xml:space="preserve"> Primò quia totũ opus in
              <lb/>
            pauca & prolixa capita continuo perpetuoq́;</s>
            <s xml:id="echoid-s51" xml:space="preserve"> ſermone diur
              <lb/>
            ſum fuit:</s>
            <s xml:id="echoid-s52" xml:space="preserve"> ſingulos libros & capita in propoſitiones diſtinxi:</s>
            <s xml:id="echoid-s53" xml:space="preserve">
              <lb/>
            & quæ Vitellonis theoremata his reſponderent, annotaui:</s>
            <s xml:id="echoid-s54" xml:space="preserve">
              <lb/>
            ut collatione theorematũ utriuſq;</s>
            <s xml:id="echoid-s55" xml:space="preserve"> optica materies rudi ac
              <lb/>
            nouitio lectori difficilior atq;</s>
            <s xml:id="echoid-s56" xml:space="preserve"> obſcurior lucem aliquam &
              <lb/>
            perſpicuitatem acciperet.</s>
            <s xml:id="echoid-s57" xml:space="preserve"> Deinde demonſtrationes omnes
              <lb/>
            emendaui & reſtitui:</s>
            <s xml:id="echoid-s58" xml:space="preserve"> earum firm amenta acrobora (quæ ple
              <lb/>
            riſq;</s>
            <s xml:id="echoid-s59" xml:space="preserve"> locis omnibus deerant) ex Euclide, Theodoſio, Apollo
              <lb/>
            nio, Sereno, alijsq́;</s>
            <s xml:id="echoid-s60" xml:space="preserve"> geometris addidi:</s>
            <s xml:id="echoid-s61" xml:space="preserve"> pręcipuè uerò quintũ
              <lb/>
            & ſextum libros, quibus catoptrica cõprehenduntur, & ſe-
              <lb/>
            ptimũ, qui refractionem interpretatur, propter demonſtra-
              <lb/>
            tionum obſcuritatem breuitatemq́;</s>
            <s xml:id="echoid-s62" xml:space="preserve"> cõmentariolis quibuſ-
              <lb/>
            dam illuſtrare conatus ſum.</s>
            <s xml:id="echoid-s63" xml:space="preserve"> Deniq;</s>
            <s xml:id="echoid-s64" xml:space="preserve"> figuras omnium propo
              <lb/>
            ſitionũ de integro conformaui.</s>
            <s xml:id="echoid-s65" xml:space="preserve"> Atq;</s>
            <s xml:id="echoid-s66" xml:space="preserve"> hic in rebus ſentẽtijsq́;</s>
            <s xml:id="echoid-s67" xml:space="preserve">
              <lb/>
            </s>
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