| Year | 1933 |
| Date | 22-Jun |
| Volume | 68 |
| Issue | 1,676 |
| Page | 589 |
| Category | Horology |
| Part | |
| Title | Synchronous Electric Striking and Chime Clocks |
| Author | Geo. Gentry |
| Notes | The types of movement to be described, worm gear going work of Smith's synchronous clock, trip gear driven striking work, the motor, the going work of the all-electric striking clock, motion plate, he striking and chiming movement |