| Year | 2022 |
| Date | 22-Apr |
| Volume | 228 |
| Issue | 4,689 |
| Page | 556 |
| Category | Horology |
| Part | 27 |
| Title | An Astronomical Bracket Clock |
| Author | Adrian Garner |
| Notes | Makes a bracket clock showing both mean and sidereal time. Polishing, what is a polished surface? Avoiding polishing, avoiding backache, abrasive storage, the nature of the surface to be polished, small flat and curved surfaces, large flat and curved external surfaces, references |