| Year | 1939 |
| Date | 18-May |
| Volume | 80 |
| Issue | 1,984 |
| Page | 579 |
| Category | Nautical |
| Part | |
| Title | "Sea Devils" |
| Author | Edgar T.Westbury |
| Notes | Concluding details of model speed boat engine. Underside view, longitudinal section of oil pump, boiler, blowlamp, release valve, blowlamp burner jets, weight of components, the engine from above, flash boiler, burners and container, release valve |