| Year | 1971 |
| Date | 20-Aug |
| Volume | 137 |
| Issue | 3,423 |
| Page | 799 |
| Category | In the Workshop |
| Part | |
| Title | An automatic down-feed for the Shaping Machine |
| Author | Ian Bradley |
| Notes | The connecting rod, the driving arm, the quadrant gear, quadrant gear bracket, the detent |