| Year | 1931 |
| Date | 12-Mar |
| Volume | 64 |
| Issue | 1,557 |
| Page | 260 |
| Category | Electronic |
| Part | |
| Title | Developments in Television |
| Author | W.G.Mitchell |
| Notes | Lecture to Royal Society of Arts. Use of television, progress is awaiting invention, stages in an invention, future development |