| Year | 1929 |
| Date | 19-Dec |
| Volume | 61 |
| Issue | 1,493 |
| Page | 588 |
| Category | Horology |
| Part | 16 |
| Title | Some Notes on Clockmaking. For model engineers with a liking for clockmaking |
| Author | Geo. Gentry |
| Notes | General note, some odd springs and a collet of the motion and striking work, cannon wheel and rack springs with hand collet details, the rack hook, the striking gear, screws |