| Year | 2002 |
| Date | 22-Feb |
| Volume | 188 |
| Issue | 4,163 |
| Page | 16 |
| Category | Horology |
| Part | 8 |
| Title | Weight Driven Egg Timer |
| Author | John Wilding |
| Notes | Deals with the minute wheel and jumper spring. Forming the teeth, hand retaining collet, hand, striking unit, references |