- 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