| Year | 2016 |
| Date | 15-Apr |
| Volume | 216 |
| Issue | 4,532 |
| Page | 586 |
| Category | Horology |
| Part | 4 |
| Title | Building John Stevens' Skeleton Clock |
| Author | Dennis Stones |
| Notes | Describes some of the more fascinating moments. Those essential springs, the main spring, the maintaining spring, the fusee ratchet spring, the stop-work spring, the tension spring, the hammer spring, the helical balance spring |