| Year | 1980 |
| Date | 15-Feb |
| Volume | 146 |
| Issue | 3,627 |
| Page | 236 |
| Category | Workshop |
| Part | 2 |
| Title | High Precision Low Cost |
| Author | Don Gordon |
| Notes | Sharpening small tools, tool sharpening jig, tool holders, "Parson's" twist drill jig, pivot drill jig, preparing undersized reamers |