| Year | 1999 |
| Date | 16-Jul |
| Volume | 183 |
| Issue | 4,098 |
| Page | 96 |
| Category | Horology |
| Part | 12 |
| Title | A 3/4 Second Pendulum Electric Clock (C.R.Jones) |
| Author | John Wilding |
| Notes | Describes cutting and crossing out of wheels. Count wheel, centre wheel (worm wheel), worm, crossing out, filing up, suppliers |