. 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 . Propofitio IX, Res uifa, exiftens in diaphano denfiori fuperficiei]iemifph&raiis,poteft appajrere maior quam fit,&munor,&etiamaequalisconuexitatead oculum conuerfa
. 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 . Propofitio IX, Res uifa, exiftens in diaphano denfiori fuperficiei]iemifph&raiis,poteft appajrere maior quam fit,&munor,&etiamaequalisconuexitatead oculum conuerfa*fT\~.:-A n Hscc. P B K S P £ C T J Y AE COH HV N I S Ha?c propofitio,non eft difficllis quod quairta huius proponit, hic quocp aiTumas}deinde diligeter perpendasquomodo pro ratioe diuerfa? diaphanitatisresper radios refra*Clos ad uifum perueniat, uidebisquomodo cV maiorcVminor,cVaequalis imago rei uifae appareat»Quando igicur oculus eft in fub*tiIioridiaphano,cV denfioris diaphaniconuexum , oculoobuer*f mir,ac rcs uiTa intra ocutdm et centrum fuerit,imago maior,etpropinquior apparebit re a ocn]us,res uifa b c jntra <&culuai&Fcentrumdiaphaniconuexi gh. Siitacp oculus cumre uifa eilent in medio eiufdem diaphaneitatis,uideretur resfub angulo bac, Sed cumradius b g,cV c h i perpendiculari f h n , occurrente fubtiliori diaphano,franguntura*perpendiculari f g M,ad uifum in a, cV ima-go pundiB uideaturin communiconcurfuperpendicularis f b d , ac radrj a g ab oculoin dire&um continuumq* procedenris,noteturcomunisinterfe&io noca K,fimiliterco-munisfccfKo perpendic
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Keywords: ., bo, bookauthorpeckhamjohnd1292, bookdecade1540, booksubjectoptics
