| Year | 1976 |
| Date | 03-Dec |
| Volume | 142 |
| Issue | 3,550 |
| Page | 1,186 |
| Category | Workshop |
| Part | |
| Title | More Tricks with the Quorn" |
| Author | Professor D.H.Chaddock |
| Notes | Re-forming centre drill, die sharpening with high-speed drive, sharpening hacksaw blade, spirally-fluted tapered end mill, spirally tapered flute |