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-s20109" xml:space="preserve">
              <pb file="0299" n="299" rhead="PRAEFATIO."/>
            leſtiũ, quos allegatlib 10 theor.</s>
            <s xml:id="echoid-s20110" xml:space="preserve"> 53:</s>
            <s xml:id="echoid-s20111" xml:space="preserve"> ſed multò maximè in de-
              <lb/>
            cẽlibris opticis:</s>
            <s xml:id="echoid-s20112" xml:space="preserve"> quos, ut ex Alhazeno inprimis, deinde è grę
              <lb/>
            corũ authorũ fontibus hauſerit, certè mirandis acceſsioni-
              <lb/>
            bus amplificauit.</s>
            <s xml:id="echoid-s20113" xml:space="preserve"> Alhazeni, Euclidis, Ptolemęi axiomata, hy
              <lb/>
            potheſes, theoremata omnia collegit:</s>
            <s xml:id="echoid-s20114" xml:space="preserve"> id laboris infiniti fu-
              <lb/>
            it.</s>
            <s xml:id="echoid-s20115" xml:space="preserve"> Sed ex Apollonio, Theodoſio, Menelao, Theone, Pappo,
              <lb/>
            Proclo & alijs firmamenta permultarũ demonſtrationũ ſin-
              <lb/>
            gulari iudicio repetiuit:</s>
            <s xml:id="echoid-s20116" xml:space="preserve"> ſingulari ordine, maximè naturali,
              <lb/>
            perſua genera, ſpeciesq́;</s>
            <s xml:id="echoid-s20117" xml:space="preserve"> opticã, catoptricã, meſopticã diſpo
              <lb/>
            ſuit, artẽq́;</s>
            <s xml:id="echoid-s20118" xml:space="preserve"> totã mirabiliter abſoluit.</s>
            <s xml:id="echoid-s20119" xml:space="preserve"> Quid plura?</s>
            <s xml:id="echoid-s20120" xml:space="preserve"> Si artis opi
              <lb/>
            fex atq;</s>
            <s xml:id="echoid-s20121" xml:space="preserve"> author habendus ſit, qui arti formã, animãq́;</s>
            <s xml:id="echoid-s20122" xml:space="preserve"> dedit:</s>
            <s xml:id="echoid-s20123" xml:space="preserve">
              <lb/>
            Vitello iure optimo opticæ artis author habeatur.</s>
            <s xml:id="echoid-s20124" xml:space="preserve"> Atq;</s>
            <s xml:id="echoid-s20125" xml:space="preserve"> hæc
              <lb/>
            quidẽ de Vitellone, eiusq́;</s>
            <s xml:id="echoid-s20126" xml:space="preserve"> optico opere ita dicta ſint:</s>
            <s xml:id="echoid-s20127" xml:space="preserve"> quid
              <lb/>
            uerò ipſe operæ, induſtriæ, ac diligẽtiæ in eo renouãdo atq;</s>
            <s xml:id="echoid-s20128" xml:space="preserve">
              <lb/>
            inſtaurãdo poſuerim, quantũq́;</s>
            <s xml:id="echoid-s20129" xml:space="preserve"> in eo reſtituendo cõforman
              <lb/>
            doq́;</s>
            <s xml:id="echoid-s20130" xml:space="preserve"> elaborarim, uix quenquã cogitaturũ arbitror, niſi qui
              <lb/>
            uetus exẽplar cum noſtro cõtulerit.</s>
            <s xml:id="echoid-s20131" xml:space="preserve"> Dicã parcè de me & bre
              <lb/>
            uiter.</s>
            <s xml:id="echoid-s20132" xml:space="preserve"> In Vitellone adhuc edito publicatoq́;</s>
            <s xml:id="echoid-s20133" xml:space="preserve"> nullũ omnino
              <lb/>
            theorema fuit, in cuius demõſtratione literæ nõ fuerint mul
              <lb/>
            tifariã permutatæ, nõ alię pro alijs repoſitę:</s>
            <s xml:id="echoid-s20134" xml:space="preserve"> in pleriſq;</s>
            <s xml:id="echoid-s20135" xml:space="preserve"> etiam
              <lb/>
            demonſtrationibus ε'κθέσ{ει}ς atq;</s>
            <s xml:id="echoid-s20136" xml:space="preserve"> expoſitiones nullæ fuerunt:</s>
            <s xml:id="echoid-s20137" xml:space="preserve">
              <lb/>
            uerba itẽ multa, im ò uerò integræ etiã clauſulæ, eæq́;</s>
            <s xml:id="echoid-s20138" xml:space="preserve"> cõplu
              <lb/>
            res defuerũt:</s>
            <s xml:id="echoid-s20139" xml:space="preserve"> quæ omnia uetuſtis exẽplaribus manuſcriptis,
              <lb/>
            quæ P.</s>
            <s xml:id="echoid-s20140" xml:space="preserve"> Ramus undiq;</s>
            <s xml:id="echoid-s20141" xml:space="preserve"> cõ quiſierat, adiutus reſtitui:</s>
            <s xml:id="echoid-s20142" xml:space="preserve"> & in uni-
              <lb/>
            uerſo opere errata in rebus ſentẽtijsq́;</s>
            <s xml:id="echoid-s20143" xml:space="preserve"> 3645 (tot enim anim-
              <lb/>
            aduertere potui) cęteraq́;</s>
            <s xml:id="echoid-s20144" xml:space="preserve"> leuiora, quæ innumera fuerũt, cor
              <lb/>
            rexi & emendaui.</s>
            <s xml:id="echoid-s20145" xml:space="preserve"> Sed præter literas in demonſtrationibus
              <lb/>
            tranſpoſitas;</s>
            <s xml:id="echoid-s20146" xml:space="preserve"> præteruoces plurimas, præter etiã totas ſenten
              <lb/>
            tias omiſſas, figuræ, quæ perſe ſine literis, ſine uocibus, ſine
              <lb/>
            ſcriptis ſententijs rem poterant intelligẽti demõſtrare, ple-
              <lb/>
            ræq;</s>
            <s xml:id="echoid-s20147" xml:space="preserve"> erãt malè figuratæ, nec demonſtrationibus cõgruẽtes,
              <lb/>
            & quod etiam fœdius eſt, nõ ſuis, ſed alienis theorematis ſæ
              <lb/>
            pius accõmodatæ:</s>
            <s xml:id="echoid-s20148" xml:space="preserve"> in quibuſdam theorematis nullæ omni-
              <lb/>
            no fuerunt.</s>
            <s xml:id="echoid-s20149" xml:space="preserve"> Figuras igitur uniuerſas de integro conforma-
              <lb/>
            ui, ſtudioſeq́;</s>
            <s xml:id="echoid-s20150" xml:space="preserve"> egi, ne qua iſtarum offenſionum remora poſ-
              <lb/>
            ſet in reliquum optices ſtudioſos remorari:</s>
            <s xml:id="echoid-s20151" xml:space="preserve"> poſtremò locos
              <lb/>
            ueterum geometrarum & opticorum, unde pleraque de-
              <lb/>
            ſumpta eſſent, indicaui:</s>
            <s xml:id="echoid-s20152" xml:space="preserve"> denique neruis omnibus conten-
              <lb/>
            di, ut opticarum rerum fructus, quanticunque ſint, qui
              <lb/>
            ſanè maximi ſunt (ut Alhazeni præfatio iam prius attigit)
              <lb/>
            </s>
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