| Year | 2013 |
| Date | 22-Mar |
| Volume | 210 |
| Issue | 4,452 |
| Page | 448 |
| Category | Lathe |
| Part | |
| Title | A Clutch for Geared Head Lathes |
| Author | John Rutzen |
| Notes | Will never look back to the days without a clutch. Harrison M250, clutch pulley, clutch cone, headstock drive adaptor, clutch cone spring housing, clutch cone release plate, clutch spring pressure pins, clutch pressure pad, references |