| Year | 1940 |
| Date | 31-Oct |
| Volume | 83 |
| Issue | 2,060 |
| Page | 332 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | Suggestions for experiments in model I.C. Engine design |
| Author | Edgar T.Westbury |
| Notes | Turbulence promoting cylinder head, compression ratio, measuring compression ratio, diagram showing how to measure, cooling, water-cooling |