| Year | 1999 |
| Date | 26-Mar |
| Volume | 182 |
| Issue | 4,090 |
| Page | 400 |
| Category | Horology |
| Part | 8 |
| Title | A 3/4 Second Pendulum Electric Clock (C.R.Jones) |
| Author | John Wilding |
| Notes | Deals with the notched blade, trigger support block, trailing trigger and pivot pin. Setting up, electrical connections, suppliers |