| Year | 1921 |
| Date | 24-Feb |
| Volume | 44 |
| Issue | 1,035 |
| Page | 153 |
| Category | Horology |
| Part | |
| Title | A New Design for an Electrically-driven Clock |
| Author | F.Booker |
| Notes | Alexander Bain, the driving force, pendulum suspension bracket, the brass back plate, the pendulum, the electrical leads, the solenoid, adjustable stem to carry magnet |