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
<head xml:id="echoid-head190" xml:space="preserve" style="it">23. Diſtantia immoder ata cre at errores in ſingulis uiſibilibus ſpeciebus. In remotione. 16 p 4.</head>
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<s xml:id="echoid-s4987" xml:space="preserve">DIco ergo, quòd longitudo egreſſa à temperamento errare facit uidentem in longitudine:</s>