Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 305
are.He points out the desirability of avoidinginconvenient reflection from polishedsurfaces ; of recent years considerabledecrease has been made in the use ofpolished surfaces. Glare from the skyor other light sources may give rise toafter-images. The author gives a diagramshowing how the duration… … Exposure in seconds. Fig. 3.—Illustrating how the duration of after-images is affected by intrinsic brilliancyand time of exposure. Comparatively little work has yet beendone showing the direct influence of glareon acuteness of vision. Mr. Luckieshpoints out the need for extending suchexperiments…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
