| Year | 1941 |
| Date | 10-Apr |
| Volume | 84 |
| Issue | 2,083 |
| Page | 295 |
| Category | Nautical |
| Part | |
| Title | A 15 c.c. Speed-Boat Engine |
| Author | J.Orme |
| Notes | Seen from the timing end of shaft, "Skua" running on the circular course, another view of the engine, the cylinder head, the crankshaft connecting-rod and two halves of crankcase |