| Year | 1929 |
| Date | 21-Nov |
| Volume | 61 |
| Issue | 1,489 |
| Page | 487 |
| Category | Horology |
| Part | 14 |
| Title | Some Notes on Clockmaking. For model engineers with a liking for clockmaking |
| Author | Geo. Gentry |
| Notes | Details of motion work and striking control, the rack and its arm, the rack tail, hub of the rack, the rack stud, the snail, the hour cannon, adjusting the rack and its tail |