IES approved method of life testing of low pressure sodium lamps
By: prepared by the Subcommittee on Photometry of Light Sources of the IES Testing Procedures Committee.
Contributors: IESNA Testing Procedures Committee. Photometry of Light Sources Subcommittee.
Series: IES -- LM-60-91.; IESNA lighting measurements series -- LM-60-91.
Publisher: Illuminating Engineering Society of North America
Published: 1991
Place of publication: New York
Language: eng
Subjects: Electric lighting, Sodium vapor -- Measurement
Other titles: Illuminating Engineering Society approved method of life testing of low pressure sodium lamps.; Approved method of life testing of low pressure sodium lamps.; Life testing of low pressure sodium lamps.
Notes: Caption title.

"Approved by the IES Board of Directors, June 1991..."

Includes bibliographical references.