< Page:A Treatise on Painting.djvu
This page has been validated.
REFLEXES.
113
in E; and it will also be brighter, because it is nearer to the part which gives them light. According to the 6th rule[1], which says, that part of the body is to be the lightest, which is nearest to the luminary.
Chap. CCXIX.—Of the Termination of Reflexes on their Grounds.
The termination of a reflected light on a ground lighter than that reflex, will not be perceivable; but if such a reflex terminates upon a ground darker than itself, it will be plainly seen; and the more so in proportion as that ground is darker, and vice versa[2].
Chap. CCXX.—Of double and treble Reflexions of Light.
Double reflexes are stronger than single ones, and the shadows which interpose between the com-
I
mon
This article is issued from Wikisource. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.