| Year | 2004 |
| Date | 11-Jun |
| Volume | 192 |
| Issue | 4,223 |
| Page | 688 |
| Category | Horology |
| Part | 4 |
| Title | Woodward's Gearless Mechanical Clock |
| Author | John Wilding |
| Notes | Describes the construction of the count wheel and the escape wheel. Escape wheel, pinning the wheel, arbors, references |