| Year | 1940 |
| Date | 19-Sep |
| Volume | 83 |
| Issue | 2,054 |
| Page | 235 |
| Category | Hot Air |
| Part | |
| Title | Practical notes on Hot Air Engines |
| Author | "Artificer" |
| Notes | The Rider engine, section of Robinson hot-air engine, the "Rider" hot-air engine (courtesy Hayward-Tyler), the Bailey engine, the Buckett engine, Benier hot-air engine, Henrici engines |