| Year | 2005 |
| Date | 24-Jun |
| Volume | 194 |
| Issue | 4,250 |
| Page | 756 |
| Category | Workshop |
| Part | |
| Title | A Precision Boring Head |
| Author | Len Walker |
| Notes | Describes. Tool slide, the gib strip, lead screw bearing, the body detail, lining up the lead screw bearing, the lead screw, retaining collar, assembly, drawbar assembly, boring bars, boring the central 0.375 dia. hole |