| Year | 2023 |
| Date | 06-Oct |
| Volume | 231 |
| Issue | 4,727 |
| Page | 507 |
| Category | Horology |
| Part | 2 |
| Title | A Model Engineer's Clock |
| Author | Jim Clark |
| Notes | Makes a skeleton clock making good use of modern manufacturing methods. The main spring, barrel and stop work, mainspring winder with improvised measuring weight, chart of mainspring torque vs. turns, more to do about springs …, mainspring torque chart, barrel with stop work fitted, spring winding force |