| Year | 1999 |
| Date | 03-Dec |
| Volume | 183 |
| Issue | 4,108 |
| Page | 693 |
| Category | Horology |
| Part | 17 |
| Title | A 3/4 Second Pendulum Electric Clock (C.R.Jones) |
| Author | John Wilding |
| Notes | Final details. Hardening the trigger and notched blade, finishing and polishing, screws, bluing, taper pins, wiring, lacquering, general matters, alternative worm, battery position, reference |