| Year | 1940 |
| Date | 25-Apr |
| Volume | 82 |
| Issue | 2,033 |
| Page | 411 |
| Category | Nautical |
| Part | |
| Title | "Isle of Sark" |
| Author | D.H.Pilcher |
| Notes | Modifications to model of Southern Railway Company's steamship. Model on the pond, the straight course problem, the answer, the parallelogram of forces |