| Year | 1951 |
| Date | 23-Aug |
| Volume | 105 |
| Issue | 2,622 |
| Page | 246 |
| Category | Horology |
| Part | |
| Title | A Chiming Gear for the Battery-Driven Electric Clock |
| Author | C.R.Jones |
| Notes | Field magnet components and assembly, armature core, commutator, bearing brackets and bearings, bearing support pillars, brush holders, armature spindle, worm |