| Year | 1931 |
| Date | 19-Mar |
| Volume | 64 |
| Issue | 1,558 |
| Page | 278 |
| Category | Exhibition |
| Part | |
| Title | Scientific Instruments and Electrical Apparatus at the British Industries Fair |
| Author | |
| Notes | Electrical, permanent magnets, ozone, models, springs and parts for gramophones |