| Year | 2002 |
| Date | 13-Dec |
| Volume | 189 |
| Issue | 4,184 |
| Page | 590 |
| Category | Horology |
| Part | 10 |
| Title | A Ferris Wheel Clock |
| Author | Richard Stephen |
| Notes | Installation and fitting of the Archimedes screw. Non-return catch, fitting the vertical track rods, shaping the non-return catch, contacts and entrance track |