| Year | 1940 |
| Date | 11-Jan |
| Volume | 82 |
| Issue | 2,018 |
| Page | 35 |
| Category | Photographic |
| Part | |
| Title | Simple Photographic Enlargers |
| Author | "Kinemette" |
| Notes | All-metal miniature vertical enlarger. Small experimental home-made prototype, side view, principles of design, plan view |