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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        <div xml:id="echoid-div648" type="section" level="0" n="0">
          <head xml:id="echoid-head558" xml:space="preserve">FEDERICI RISNE-</head>
          <head xml:id="echoid-head559" xml:space="preserve">RI IN VITELLONIS</head>
          <head xml:id="echoid-head560" xml:space="preserve">OPTICAM PRAEFATIO</head>
          <head xml:id="echoid-head561" xml:space="preserve">AD</head>
          <head xml:id="echoid-head562" xml:space="preserve" style="it">ILLVSTRISSIMAM REGINAM CA-</head>
          <head xml:id="echoid-head563" xml:space="preserve" style="it">tharinam Mediceam, matrem regis Gallia
            <lb/>
          Caroli noni.</head>
          <p>
            <s xml:id="echoid-s20062" xml:space="preserve">ALHAZENVS opticas ſuas opes, regina illuſtriſsi-
              <lb/>
            ma, noſtris laboribus uigilijsq́;</s>
            <s xml:id="echoid-s20063" xml:space="preserve"> explicatas tibi
              <lb/>
            nũcupauit:</s>
            <s xml:id="echoid-s20064" xml:space="preserve"> Vitello Alhazenũ ducem, quamuis
              <lb/>
            antea ſibi proignoto tacitoq́;</s>
            <s xml:id="echoid-s20065" xml:space="preserve"> præteritum, atta-
              <lb/>
            men ueluti conſcientia præeuntis in eo uirtutis
              <lb/>
            permotus, conſequitur, ſeq́;</s>
            <s xml:id="echoid-s20066" xml:space="preserve"> Alhazeni diſcipulum eſſe con-
              <lb/>
            fitetur.</s>
            <s xml:id="echoid-s20067" xml:space="preserve"> Etenim cum opticorum longè maximam nobiliſsi-
              <lb/>
            mamq́;</s>
            <s xml:id="echoid-s20068" xml:space="preserve"> partem, quam ex Alhazeno deſumpſiſſet, tibi deuo-
              <lb/>
            tam dicatamq́;</s>
            <s xml:id="echoid-s20069" xml:space="preserve"> cerneret, qua tandem coloris ſpecie purpu-
              <lb/>
            ram eandem, aut quo aêris ſitu permutatã alijs pro ſua uen-
              <lb/>
            ditaret?</s>
            <s xml:id="echoid-s20070" xml:space="preserve"> Certè ingenua animiliberaliq́;</s>
            <s xml:id="echoid-s20071" xml:space="preserve"> inductione tam prę-
              <lb/>
            ſtantem patronam potius eandem adoptabit, ſeq́;</s>
            <s xml:id="echoid-s20072" xml:space="preserve"> in regiæ
              <lb/>
            maieſtatis tuæ fidem clientelamq́;</s>
            <s xml:id="echoid-s20073" xml:space="preserve"> conferet.</s>
            <s xml:id="echoid-s20074" xml:space="preserve"> Ergo iam libe-
              <lb/>
            rius exponamus quis ſit Vitello, & quid in tanto inſupero-
              <lb/>
            pere contenderit.</s>
            <s xml:id="echoid-s20075" xml:space="preserve"> E
              <gap/>
            Sarmatarum gente (qui Poloni hodie
              <lb/>
            nominantur) ille fuit.</s>
            <s xml:id="echoid-s20076" xml:space="preserve"> Ait enim libro 10 theoremate 74, in
              <lb/>
            noſtra terra ſcilicet Poloniæ habitabili, &c.</s>
            <s xml:id="echoid-s20077" xml:space="preserve"> Ideoq́;</s>
            <s xml:id="echoid-s20078" xml:space="preserve"> intitulo
              <lb/>
            optici operis cognominatur filius Polonorum & Thurin-
              <lb/>
            gorum, patre uidelicet Polono & matre Thuringa, aut con-
              <lb/>
            trà procreatus:</s>
            <s xml:id="echoid-s20079" xml:space="preserve"> qualia cognomenta habentarabicæ inſcri-
              <lb/>
            ptiones Alhazenus filius Alhayzeni & ſimiles.</s>
            <s xml:id="echoid-s20080" xml:space="preserve"> Regiomon-
              <lb/>
            tanus autem in pręfatione Alphragani uidetur eum Germa-
              <lb/>
            num efficere, inquit enim, Vitello autem noſter Thuringus,
              <lb/>
            &c.</s>
            <s xml:id="echoid-s20081" xml:space="preserve"> inq́;</s>
            <s xml:id="echoid-s20082" xml:space="preserve"> eandem opinionem Gualtherus Regiomontani di
              <lb/>
            ſcipulus diſcedit, cum in ſuis obſeruationibus aſtronomi-
              <lb/>
            cis ait, & Vitello noſter, &c.</s>
            <s xml:id="echoid-s20083" xml:space="preserve"> uterque tamen commune artis
              <lb/>
            ſtudium, non patriæ commune ſolum hic ſpectaſſe potuit.</s>
            <s xml:id="echoid-s20084" xml:space="preserve">
              <lb/>
            Sed de tempore, quo Vitello floruerit, res magis controuer-
              <lb/>
            ſa eſt.</s>
            <s xml:id="echoid-s20085" xml:space="preserve"> Tanſtetterus in epiſtola opticis Vitellonis antea editis
              <lb/>
            præpoſita opinatur Vitellonem annis abhincſexcentis ui-
              <lb/>
            xiſſe, ſed opinione deceptus eſt.</s>
            <s xml:id="echoid-s20086" xml:space="preserve"> Nam frater Guilielmus de
              <lb/>
            </s>
          </p>
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