illuminance measurements 
| Title |
Date |
Author |
|---|---|---|
| Daylight Illumination on Horizontal, Vertical and Sloping Surfaces | May 01, 1923 | H. H. Kimball |
| Title |
Date |
Author |
|---|---|---|
| Daylight Illumination on Horizontal, Vertical and Sloping Surfaces | May 01, 1923 | H. H. Kimball |