| Year | 1947 |
| Date | 01-May |
| Volume | 96 |
| Issue | 2,397 |
| Page | 553 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A 15-c.c. Four-Cylinder Engine "Seal" |
| Author | Edgar T.Westbury |
| Notes | Cam contours, timing diagrams, arrangement of eight cams, dead - but won't lie down! "Future plans", a 5 c.c. Kestrel engine by S.A.Smith from die castings by L.D.Johnson |