| Year | 2003 |
| Date | 31-Oct |
| Volume | 191 |
| Issue | 4,207 |
| Page | 510 |
| Category | Horology |
| Part | 1 |
| Title | A Replica Wallingford Clock |
| Author | Don Unwin |
| Notes | Introduction, re-creation of a fourteenth century clock to the design of Richard of Wallingford, one time Abbot of St. Albans. Dimensions, design, construction |