| Year | 1939 |
| Date | 04-May |
| Volume | 80 |
| Issue | 1,982 |
| Page | 509 |
| Category | Nautical |
| Part | |
| Title | "Sea Devils" |
| Author | Edgar T.Westbury |
| Notes | History of a successful series of speed boats, engine description. Flywheel end, three-quarter view of engine, forward end view, "Sea Devil III", longitudinal section and plan, engine, cross section through cylinder and valve chest |