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De radiis visvs et lvcis in vitris perspectivis et iride tractatus (1611)

De Dominis, Marco Antonio, 1560-1624 · Venetiis : Apud Thomam Baglionum · leaf 64

An illustration from De radiis visvs et lvcis in vitris perspectivis et iride tractatus, 1611, leaf 64 — tus & à nobis fupra eft explicatum cap.2.füppof. o. radium perpendiculariter ad aliquod corpus tendentem effe omnium fortiffimum ; reliquos veró prout recedunt à perpendiculari ; ita in robore & virtute directa deficere In reflexione veró augeri & corroborari. Exhis Arift. explicat difficul- tatem… … ; d à perpendiculari remotiffimus, igitutad penetrandum in vaporem maxi- ine omnium imbecillis,& propterea in reflexione fortiffimus ; ergo copio-- fam habebit lucem, & colorem lucidiffimum,qui eft puniceus,cum ad So- lem G.fortime reflectatur,maxima ergo fruitur luce; fed quia fimpliciter fortis…

Optics -- Early works to 1800

Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.

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