| Year | 1951 |
| Date | 12-Apr |
| Volume | 104 |
| Issue | 2,603 |
| Page | 480 |
| Category | Workshop |
| Part | |
| Title | The Design and Use of Drifting Tools |
| Author | W.M.Halliday |
| Notes | Advantageous application of the drifting method, the drifting method, basic design features of the drifting tool |