Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 233
e absence of irritating glare in the lower picture. (From Industrial Lighting.) 21- THE ILLUMINATING ENGINEER (apbh.) matching. Mr. Gaster also exhibited apicture (shown by Mr. Eck at a meetingof th«- Illuminating Engineering Societyin 1912), half of which was painted bydaylight and half by the…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
