| Year | 1929 |
| Date | 30-May |
| Volume | 60 |
| Issue | 1,464 |
| Page | 513 |
| Category | Workshop |
| Part | |
| Title | Designing and Producing Simple Cams |
| Author | Edgar T.Westbury |
| Notes | Setting out tangential cam (without dwell), tangential cam with 17 de. of dwell, typical lift curve of model engine exhaust cam the constant acceleration cam, the mushroom cam (setting out), checking, roller rest for filing tangential cam, copying tool |