brightness control 
| Title |
Date |
Author |
|---|---|---|
| Dimming Hot Cathode Fluorescent Lamps | Jan 01, 1954 | J. H. Campbell, H. E. Schultz, W. H. Abbott |
| Title |
Date |
Author |
|---|---|---|
| Dimming Hot Cathode Fluorescent Lamps | Jan 01, 1954 | J. H. Campbell, H. E. Schultz, W. H. Abbott |