| Year | 1913 |
| Date | 16-Oct |
| Volume | 29 |
| Issue | 651 |
| Page | 377 |
| Category | Horology |
| Part | |
| Title | An Automatic Electrical Striking and Chiming Gear |
| Author | R.A.P.Davison, Jnr. |
| Notes | Hammer movement, complete apparatus, the striking gear, controlling contacts, striking transmitter |