- Author
- Yonemura, G. I. | Benson, W. N. | Tibbott, R. L.
- Title
- Levels of Illumination and Legibility.
- Coporate
- National Bureau of Standards, Gaithersburg, MD
- Sponsor
- Department of Energy, Washington, DC
- Report
- NBSIR 77-1306, November 1977, 30 p.
- Distribution
- Available from National Technical Information Service
- Contract
- DOE-EA-77-A-01-6010
- Keywords
- conservation | lighting equipment | visibility
- Identifiers
- illumination levels; task lighting; threshold targets; higher contrast tasks