| Year | 1949 |
| Date | 04-Aug |
| Volume | 101 |
| Issue | 2,515 |
| Page | 143 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A Twin-Cylinder 2.5 c.c. Compression-Ignition Engine |
| Author | Edgar T.Westbury |
| Notes | A view of the complete engine, pistons, contra-pistons, connecting-rods, cylinder bonnets, compression adjusting screws, carburettor, assembly |