| Year | 1991 |
| Date | 19-Jul |
| Volume | 167 |
| Issue | 3,901 |
| Page | 96 |
| Category | Workshop |
| Part | 10 |
| Title | Gear Cutting |
| Author | Dave Lammas |
| Notes | Discusses the characteristics of gear wheels and the tooling required to make them in the home workshop. The size and shape of gear teeth, making form tools |