| Year | 1948 |
| Date | 22-Jul |
| Volume | 99 |
| Issue | 2,461 |
| Page | 93 |
| Category | Lathe |
| Part | |
| Title | A Boring-Head for the Lathe |
| Author | Arnold Thorpe (Throp?) |
| Notes | Turning the slide section, details, large scale practice, a decision, general design, constructional methods |