Illumination, Indirect definition
Illumination, Indirect means the lighting of any sign face by reflected light.
Illumination, Indirect means illumination that is so arranged that the light is reflected from the sign to the eyes of the viewer.
Examples of Illumination, Indirect in a sentence
Illumination: Indirect, ground illuminated by ▇▇▇ Direct Burial/Sign Lighter - 250 w.