Peckham, John, -1292, Cardanus, Facius · [Milan : Petrus de Corneno] · leaf 23
rangitur: re efficdcitcr rcpiefentai % altj radi} quanto fut et pjopiquto ;es tato funt potentia resx fb;tio;es i rep;efentado . Sd boe igitn; ocnlne ro tutui nt res que fub pyramide rep;efentaf ftmnl oculo per bac perpendiculare fuccefliue oneniem perfpicaaus dtfcet nat . 1 2>e bac certitudine… … lmee ad centru ducant rconftttuet fup en anguln rectu:boc P5 qiioma ab angulis quadrati linee recte fecat fe ouogo halire: igif fi t c&ro uuee eet uifio nideref fub agulo recto precife:fi osameter fo;atmnis effet latus quadrati p;ectfe: Inue aut centru oculi quod e anrerions glaiialis interius…
Optics
Internet Archive · Getty Research Institute · Public domain. Free to use for anything.
![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-10-12.webp)
![An illustration from Albertvs Dvrervs Nvrembergensis pictor hvivs aetatis celeberrimus, versus è Germanica lingua in Latinam : pictoribus, fabris aerariis ac lignariis, lapicidis, statuariis, & vniuersis demum qui circino, gnomone, libella, aut alioqui certa mensura opera sua examinant, propè necessarius, adeò exactè : quatuor his suaru[m] Institutionum geometricarum libris, lineas, superficies & solida corpora tractauit, adhibitis designationibus ad eam rem accommodatissimis : denuo ad scripti exemplaris fidem omnia diligenter recognita, emendatius iam in lucem exeunt (1535)](https://img.insideoutlibrary.com/img/200/ia-albertvsdvrervsn00dure-180-0.webp)