The lighting book; a manual for the layman, setting forth the practical and esthetic sides of good lighting for the home (1913)
Godinez, F. Laurent · New York, McBride, Nast & company · leaf 125
INDIVIDUALITY IN LIGHTING 85 ing any light from reaching the ceiling by anyredirective action of the inner surface of the glassbowl. This proves conclusively that quantitativelythe light directed upwards by such bowls is ofnegligible value, not only from a utilitarian view-point but also from an…
Lighting
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
