| Year | 1922 |
| Date | 09-Mar |
| Volume | 46 |
| Issue | 1,089 |
| Page | 243 |
| Category | Horology |
| Part | |
| Title | A Seconds-hand for an Electrically-Driven Clock with Motion Derived from Pendulum |
| Author | Wilfrid L.Randell |
| Notes | General arrangement, method of mounting seconds dial and the ratchet wheel, details of seconds dial attachment, method of operation |