| Year | 1950 |
| Date | 12-Oct |
| Volume | 103 |
| Issue | 2,577 |
| Page | 565 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A 10 c.c. Twin Four-Stroke. "Seagull" |
| Author | Edgar T.Westbury |
| Notes | Camshaft, division plate and machining jig, camshaft bushes, timing diagrams, idler stud |