| Year | 1927 |
| Date | 09-Jun |
| Volume | 56 |
| Issue | 1,361 |
| Page | 536 |
| Category | Electrical Work |
| Part | |
| Title | About Ultra-Violet Rays |
| Author | |
| Notes | With a Note on a Lamp for their Production. Diagram showing range of electromagnetic waves, construction of arc lamp, stand with hood reflector |