| Year | 1927 |
| Date | 09-Jun |
| Volume | 56 |
| Issue | 1,361 |
| Page | 539 |
| Category | Model Marine Notes |
| Part | |
| Title | Petrol Engines for Speed Boats |
| Author | Richard O.Porter |
| Notes | Small four-cylinder petrol-electric generating plant, small two-stroke power plant, plan view of "Slickery", profile, valve and cylinder |