| Year | 1938 |
| Date | 02-Jun |
| Volume | 78 |
| Issue | 1,934 |
| Page | 521 |
| Category | Model Marine Notes |
| Part | |
| Title | In the Wake of the Power Boats |
| Author | The Spectator |
| Notes | Circular course lines, brass- or steel-bending jig, flanging, finished eye, differential pumps, pump competition, steam yacht prototype |