| Year | 1940 |
| Date | 07-Mar |
| Volume | 82 |
| Issue | 2,026 |
| Page | 232 |
| Category | Model Engineers and National Service |
| Part | |
| Title | Capstan and turret lathes |
| Author | Edgar T.Westbury |
| Notes | Examples from actual practice, maching locomotive piston valve liners in a Ward No. 10 combination turret lathe, generating internal and external spherical curves, external and internal contours |