| Year | 1949 |
| Date | 28-Apr |
| Volume | 100 |
| Issue | 2,501 |
| Page | 515 |
| Category | Workshop |
| Part | |
| Title | Constructing a Gear-Cutting Machine |
| Author | J.S.Eley |
| Notes | Home-made single-tooth gear cutters, cutter spindles, reduction gear bracket, pinion stud, speed reduction gears, driving pulley, cutter-setting bar, dividing head |