| Year | 1937 |
| Date | 03-Jun |
| Volume | 76 |
| Issue | 1,882 |
| Page | 510 |
| Category | Petrol Engine Topics |
| Part | |
| Title | Beginners' Cylinder-Boring Difficulties |
| Author | Edgar T.Westbury |
| Notes | An expanding lead-surfaced lap, lapping process, expanding lap set up in lathe, an adjustable lap, other finishing processes, applying the cylinder to the lap by hand, limits of accuracy required |