Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 92
eful work. Although, up tothe present, circumstances have preventedmore than a small proportion of thiswork being devoted to lighting problems,enough has been done to show thatfurther investigations in this field wouldbe well repaid. It is also of interest to mention theappointment, by the Medical…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.