| Year | 1921 |
| Date | 24-Nov |
| Volume | 45 |
| Issue | 1,074 |
| Page | 451 |
| Category | Horology |
| Part | |
| Title | An Eight-Day Clock Movement |
| Author | H.Keys |
| Notes | Front & sectional end elevation of weight-driven clock, some details, pallets & escape wheel, simple wheel spacing device, details of crutch, suspension bracket & weight pulley |