| Year | 1928 |
| Date | 10-May |
| Volume | 58 |
| Issue | 1,409 |
| Page | 435 |
| Category | Electrical |
| Part | 4 |
| Title | How to Build and Instal a Wireless Gramophone |
| Author | H.Bramford |
| Notes | Completing the Cabinet: A Cone speaker: Pick-ups. The cabinet, section 2, the cabinet, section 3, the cone speaker unit, construction, the cone, assembly, connection, pick-ups, operation, remarks |