| Year | 1957 |
| Date | 10-Oct |
| Volume | 117 |
| Issue | 2,942 |
| Page | 503 |
| Category | Internal Combustion |
| Part | 7 |
| Title | A 60 c.c. Horizontal Gas Engine (Centaur) |
| Author | Edgar T.Westbury |
| Notes | Assembly and accessories. Main assembly, piston and connecting-rod assembly, cylinder head assembly, camshaft assembly, contact breaker |