| Year | 1920 |
| Date | 05-Feb |
| Volume | 42 |
| Issue | 980 |
| Page | 123 |
| Category | Lathe |
| Part | |
| Title | A Cut-off Slide, Milling Table and Turret for the 4-in. Drummond Lathe |
| Author | William H.Bass |
| Notes | Photo showing clearance of back poppet, cut-off slide (elevation & plan), tool holder (elevation & plan), milling table (& interlocking piece), turret head (elevation & plan, sketch, locking pin), reverse wheel, reverse motion. |