| Year | 1939 | 
| Date | 03-Aug | 
| Volume | 81 | 
| Issue | 1,995 | 
| Page | 142 | 
| Category | Lathe | 
| Part | |
| Title | A Tool-Post | 
| Author | |
| Notes | Screw-adjustment Device which saves considerable time. Turning between centres, elevation, section, plan, end view, details, component parts of Lionel McGill's tool-post for his 3 1/2" Drummond lathe, the final stages, testing for correct height |