| Year | 1952 |
| Date | 19-Jun |
| Volume | 106 |
| Issue | 2,665 |
| Page | 806 |
| Category | Horology |
| Part | |
| Title | A Half-seconds Electric Clock |
| Author | C.R.Jones |
| Notes | Centre wheel "K", operating lever "P", wheelwork woth dial removed, battery holder, backstop and operating pawls, the dial, assembly, the case |