| Year | 1929 |
| Date | 21-Mar |
| Volume | 60 |
| Issue | 1,454 |
| Page | 277 |
| Category | Horology |
| Part | 3 |
| Title | Some Notes on Clockmaking |
| Author | Geo. Gentry |
| Notes | The movement pillars, the plates, designing the weights, Proportions of going weight and calculation for drop and winding period, the construction of a weight |