| Year | 1960 |
| Date | 31-Mar |
| Volume | 122 |
| Issue | 3,064 |
| Page | 386 |
| Category | Internal Combustion |
| Part | |
| Title | Flat Twin Petrol Engine of 50 c.c. |
| Author | Edgar T.Westbury |
| Notes | For 5 in. gauge locomotive by Bruce Harris. Operating the opposites, simple ignition, construction |