| Year | 1941 |
| Date | 30-Oct |
| Volume | 85 |
| Issue | 2,112 |
| Page | 349 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | Carburation and Ignition. A Brief review. |
| Author | Edgar T.Westbury |
| Notes | Power curves of a 15 c.c. engine with different types of carburettor ("Atom Baby", "Atom Mark III", "Atom Minor"), ball mixing valves, for a 5 c.c. engine, transfer port carburettors, diagram of engine so fitted |