| Year | 2003 |
| Date | 07-Feb |
| Volume | 190 |
| Issue | 4,188 |
| Page | 154 |
| Category | Horology |
| Part | 12 |
| Title | A Ferris Wheel Clock |
| Author | Richard Stephen |
| Notes | Motor and micro-switch, control circuit. Fitting the 'off' micro-switch, electronic control board, assembling the board |