| Year | 2002 |
| Date | 03-May |
| Volume | 188 |
| Issue | 4,168 |
| Page | 292 |
| Category | Horology |
| Part | 2 |
| Title | A Ferris Wheel Clock |
| Author | Richard Stephen |
| Notes | Escapement, simple depthing tool, drilling jig. Diamond abrasives, preparing the tungsten carbide blanks for the nibs |