| Year | 1921 |
| Date | 31-Mar |
| Volume | 44 |
| Issue | 1,040 |
| Page | 257 |
| Category | Workshop Topics |
| Part | |
| Title | Setting out Gear Teeth |
| Author | |
| Notes | Shapes of gear teeth, approximate shape of involute spur tooth, of 15-cycloidal pinion tooth & cycloidal spur tooth, how to recognise the two kinds of teeth, setting out for 35 teeth single curve gear, general note, setting out involute or single curve teeth for wheels of 30 teeth or more |