lighting controls 
| Title |
Date |
Author |
|---|---|---|
| A New Approach to Lighting System Control | Oct 01, 1976 | T. K. McGowan, G. E. Feiker |
| Fluorescent Lamp Dimming with Semiconductors | Apr 01, 1963 | E. E. von Zastrow |
| Electrical Control for Varying Lighting Intensities | Jan 01, 1936 | S. R. McCandless, Fred M. Wolff |