| Year | 1952 |
| Date | 21-Aug |
| Volume | 107 |
| Issue | 2,674 |
| Page | 260 |
| Category | Lathe |
| Part | |
| Title | Shaping Operations in the Lathe |
| Author | "Duplex" |
| Notes | Internal keyways, form tool for pinion teeth, machining external keyways, a lighter wheel, machining small pinions, making cutters, relieving the tool on the idle stroke, shaping across the work |