| Year | 1955 |
| Date | 19-May |
| Volume | 112 |
| Issue | 2,817 |
| Page | 563 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A 10 c.c. General-purpose Four-stroke (Dolphin) |
| Author | Edgar T.Westbury |
| Notes | Forming the Inlet and Exhaust Cams. Timing diagrams, cam contours, camshaft construction, eccentric jig |