| Year | 1987 |
| Date | 02-Jan |
| Volume | 158 |
| Issue | 3,792 |
| Page | 41 |
| Category | Workshop |
| Part | 2 |
| Title | A Bench Grinder Attachment for Four Facet Drill Sharpening |
| Author | D.Lammas |
| Notes | The guidebar and thimble, mounting the attachment, using the attachment, in conclusion |