| Year | 1983 |
| Date | 17-Jun |
| Volume | 150 |
| Issue | 3,707 |
| Page | 710 |
| Category | Workshop |
| Part | |
| Title | The "Target" Tool Grinding Jig |
| Author | Ian Bradley |
| Notes | Describes his version. The Tool holder, or sleeve, the protractor base, the protractor dial, the protractor cover, using the jig |