| Year | 1939 |
| Date | 30-Nov |
| Volume | 81 |
| Issue | 2,012 |
| Page | 611 |
| Category | Photographic |
| Part | |
| Title | Simple Photographic Enlargers |
| Author | "Kinemette" |
| Notes | Inexpensive apparatus. Parabolic reflector, indirect lighting system, objective lens, enlarger body, focussing, conjugate focus in condenser systems |