| Year | 2000 |
| Date | 15-Dec |
| Volume | 185 |
| Issue | 4,135 |
| Page | 584 |
| Category | Horology |
| Part | |
| Title | A Cardboard Clock |
| Author | Michael McLoughlin |
| Notes | An outrageous project with educational applications. Originally appeared in Wireless World for January 1982. Baseboard, pendulum post, pendulum, seconds wheel, minute and hour wheels, practical points, energy balance |