Suggested regulations for lighting sight-saving classrooms
Series: Its Publication -- 249; Publication (National Society for the Prevention of Blindness) -- no. 249
Publisher: National Society for the Prevention of Blindness, Inc.
Published: 1937
Place of publication: New York
Language: eng
Notes: "Reprinted ... from the Transactions of the Illuminating Engineering Society, September, 1937, and from the Sight-saving review, vol. VII, no. 3, September, 1937."