| Year | 1999 |
| Date | 29-Jan |
| Volume | 182 |
| Issue | 4,086 |
| Page | 136 |
| Category | Horology |
| Part | 6 |
| Title | A 3/4 Second Pendulum Electric Clock (C.R.Jones) |
| Author | John Wilding |
| Notes | Pendulum rod error, armature, magnet assembly, poles, pole cheeks, winding the coils, expanding plug mandrel, handle, suppliers |