| Year | 1928 |
| Date | 24-May |
| Volume | 58 |
| Issue | 1,411 |
| Page | 491 |
| Category | Electrical |
| Part | 6 |
| Title | How to Build and Instal a Wireless Gramophone |
| Author | H.Bramford |
| Notes | A Rectifying Unit for A.C. Mains: Using a Frame Aerial: Experimental Notes. Material for A.C.unit, construction of A.C. unit, wiring, operation, a D.C.note, using a frame aerial, design, construction, operation and material for frame, tone arm and pick-up |