| Year | 1989 |
| Date | 03-Mar |
| Volume | 162 |
| Issue | 3,844 |
| Page | 320 |
| Category | Workshop |
| Part | 2 |
| Title | Magnets in the Workshop |
| Author | Dave Lammas |
| Notes | Castings from M.J. Engineering, Type 1 (push-button), operation, type 2 (rotary), magnetic "retrievers", a demagnetiser |