| Year | 1958 |
| Date | 01-May |
| Volume | 118 |
| Issue | 2,971 |
| Page | 569 |
| Category | Horology |
| Part | |
| Title | The ME Jubilee Electric Clock |
| Author | Edgar T.Westbury |
| Notes | One-second pendulum impulse clock. Types of electric clock, prejudice against electricity. history of electric clocks, major problems, Scott governing mechanism, impulse frequency, new features of design, working principle, application of impulse |