| Year | 1939 |
| Date | 12-Jan |
| Volume | 80 |
| Issue | 1,966 |
| Page | 52 |
| Category | Photographic |
| Part | |
| Title | Colour Transparencies |
| Author | "Kinemette" |
| Notes | Viewing and projection of colour transparencies. Importance of true colour values, projection problems, the Mills lantern, temperature problems, the Mills No. 1 viewer, objective lenses, projection screens |