| Year | 1994 |
| Date | 07-Jan |
| Volume | 172 |
| Issue | 3,960 |
| Page | 17 |
| Category | Horology |
| Part | 3 |
| Title | Replica Arnstad Cross-beat Clock |
| Author | Douglas Follett |
| Notes | Notes on wheel cutting and the escapement. Data for motionwork gearing, treating the parts, cross-beat escapement, pallet angles |