| Year | 1993 |
| Date | 15-Jan |
| Volume | 170 |
| Issue | 3,937 |
| Page | 79 |
| Category | Lathe |
| Part | |
| Title | An Electro-Mechanical Clutch |
| Author | R.F.Cane (Australia) |
| Notes | Detachable gear train clutch for screwcutting. Description, the electrical mechanism, the triggering mechanism, operation of the clutch, picture on page 67 |