Perspectiva commvnis : ideo sic dicta, quod contineat elementa tes optikes, omnibus philosophiæ studiosis necessaria : in hac enim doctrina inchoatæ disputatioes philosophoru, de natura, & proiectione radiorum unisus, luminum, colorum & formarum absoluuntur : in quibus & de speculis tractatur : summa cura & dilgentia emendata, & ab infinitis quibus scatebat mendis repurgata, necnon in quibus deficiebat demõstrationibus restituta (1542)
Peckham, John, d. 1292, Hartmann, Georg, 1489-1564 · Norimbergæ : Apud Iohan. Petreium · leaf 112
; Hoc probo ficDucatur Itnea inter ortum,cuiufcunc^ fteKaead meridiem declfnantis,cV occafum eius.Ducatur cV alia ei aj*quediftans per oculos mfpec1:orfs,utrinq$ad!atera horizontt&iDico qudd acccilus ftellae ad meridiem,uel elongatio aL Aqui*loncjcftfecundum compnehenfionem diftaniia:… … finearum.Certum eftautem,quod harum duarum Iinearuro di* ihntiainmediofacilius apprxhendi rx>teft,quodeftafpecl:ui propinquius, 6>C etiam ex latit udine terra?, ijuae in meridie extenditur, quam in extrt? mis,quae magis elongantur as uifu. Et linea terminalis diftantia» harum duarum linea*…
Optics
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