| Year | 1951 |
| Date | 06-Sep |
| Volume | 105 |
| Issue | 2,624 |
| Page | 320 |
| Category | Horology |
| Part | |
| Title | A Chiming Gear for the Battery-Driven Electric Clock |
| Author | C.R.Jones |
| Notes | Field magnet assembly, winding the armature core, gear train, bracket bearing, half speed reduction gears, chime drum spindle and control disc, support pillar, top bearing for chime drive |