| Year | 1940 |
| Date | 19-Dec |
| Volume | 83 |
| Issue | 2,067 |
| Page | 486 |
| Category | Horology |
| Part | |
| Title | How to make an Electric Clock |
| Author | R.Barnard Way |
| Notes | The magnet bracket plate, the complete pendulum and magnet assembly, hours of experiment, the trigger, details of the Hipp trigger mechanism, assembly, watch out! A breathless moment |