| Year | 1998 |
| Date | 06-Nov |
| Volume | 181 |
| Issue | 4,080 |
| Page | 570 |
| Category | Horology |
| Part | 3 |
| Title | A 3/4 Second Pendulum Electric Clock (C.R.Jones) |
| Author | John Wilding |
| Notes | Describes how to make the pendulum suspension spring and fittings. Tool height setting gauge |