| Year | 1940 |
| Date | 25-Jul |
| Volume | 83 |
| Issue | 2,046 |
| Page | 76 |
| Category | Internal Combustion |
| Part | |
| Title | Something New in Model Petrol Engines. (Sleeve valve) |
| Author | K.G.Williams |
| Notes | Front end showing inlet manifold and auxiliary drive casing, the timing gear, the valve-sleeve, lubrication, the induction system, relative positions of the ports at each stroke, the accelerating relay, the ignition system |