| Year | 1940 |
| Date | 15-Aug |
| Volume | 83 |
| Issue | 2,049 |
| Page | 138 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | Suggestions for experiments in model I.C. Engine design |
| Author | Edgar T.Westbury |
| Notes | Reversibility, kinematic analysis of piston and connecting-rod motion in symmetrical and offset enginesm shape of ports, relation of exhaust and transfer ports |