| Year | 1932 |
| Date | 31-Mar |
| Volume | 66 |
| Issue | 1,612 |
| Page | 303 |
| Category | Cinematic |
| Part | 4 |
| Title | Home Talkies and Equipment. Some Practical Notes on Making and Up-keep |
| Author | R.Howard Cricks |
| Notes | Friction sprocket details, mounting the photo-cell, sprocket roller details, electrical details, photo-cell circuit, potentiometer connections |