| Year | 1992 |
| Date | 15-May |
| Volume | 168 |
| Issue | 3,921 |
| Page | 582 |
| Category | Trade |
| Part | |
| Title | How Files Are Made |
| Author | Ted Jolliffe |
| Notes | Blundell Files and Tools. Works layout, the grinding shop, etching and cutting the blanks, final flourishes, a reader offer, picture on page 559 |