| Year | 1955 |
| Date | 17-Nov |
| Volume | 113 |
| Issue | 2,843 |
| Page | 728 |
| Category | Horology |
| Part | |
| Title | A permanent magnet Electric Clock |
| Author | S.J.Wise |
| Notes | Action of electro-magnetic system, permanent magnet, back plate, skill required from here on, front plate, plate columns, staff supporting cock, pendulum crutch, see 111 2778 211 |