| Year | 1950 |
| Date | 27-Apr |
| Volume | 102 |
| Issue | 2,553 |
| Page | 601 |
| Category | Cinematic |
| Part | |
| Title | Miniature Slide and Strip Projectors |
| Author | "Kinemette" |
| Notes | Film guide and pressure plates, machining procedure, frame apertures, assembling the guide and pressure plates, a successful demonstration |