IES approved method for photometric testing of floodlights using incandescent filament or discharge lamps
By: prepared by the Subcommittee on Photometry of Outdoor Luminaires of the IES Committee on Testing Procedures.
Series: IES -- LM-35-1989.; IESNA lighting measurements series -- LM-35.
Publisher: Illuminating Engineering Society of North America
Published: 1989
Place of publication: New York, N.Y
Language: eng
Number of pages: 17
Subjects: Floodlighting -- Testing -- Standards.
Notes: Caption title.

Includes bibliographical references (p. 11).