| Year | 1949 |
| Date | 30-Jun |
| Volume | 100 |
| Issue | 2,510 |
| Page | 796 |
| Category | In The Workshop |
| Part | 40 |
| Title | Gear-cutting in the Lathe |
| Author | "Duplex" |
| Notes | The eccentric strap, the arbor arm, the linkage levers, the distance-pieces and cross-bolts, the pivot pins, the link forks, the link rods, the link anchor plate, jigs for machining the cutters, the cutter drilling jig, the sawing jig |