| Year | 1985 |
| Date | 21-Jun |
| Volume | 154 |
| Issue | 3,755 |
| Page | 679 |
| Category | Workshop |
| Part | |
| Title | Accuracy in Positioning Holes in Workpieces |
| Author | H.C.Luckhurst |
| Notes | A system described. Button boring, accurate hole location system, measuring rods, how the system works, opening out holes, centre drill holder, important final warning |