| Year | 1951 |
| Date | 13-Sep |
| Volume | 105 |
| Issue | 2,625 |
| Page | 360 |
| Category | Horology |
| Part | |
| Title | A Chiming Gear for the Battery-Driven Electric Clock |
| Author | C.R.Jones |
| Notes | Chime drum, control disc, hammer heads, hammer bearings, hammer shafts, support bracket, view from the right-hand side |