| Year | 1940 |
| Date | 08-Aug |
| Volume | 83 |
| Issue | 2,048 |
| Page | 118 |
| Category | Internal Combustion |
| Part | |
| Title | Something New in Model Petrol Engines. (Sleeve valve) |
| Author | K.G.Williams |
| Notes | The accelerating relay coupled to the throttle and contact breaker, teething troubles, proposed spraying nozzle for petrol injection, the front end showing the grouping of the auxiliaries |