| Year | 1913 |
| Date | 23-Oct |
| Volume | 29 |
| Issue | 652 |
| Page | 386 |
| Category | Horology |
| Part | |
| Title | An Automatic Electrical Striking and Chiming Gear |
| Author | R.A.P.Davison, Jnr. |
| Notes | Front & side elevations, the chiming gear, details of release, diagram of connections, chiming transmitter, another view |