| Year | 1968 |
| Date | 03-May |
| Volume | 134 |
| Issue | 3,344 |
| Page | 425 |
| Category | Internal Combustion |
| Part | |
| Title | Model Petrol Engines |
| Author | Edgar T.Westbury |
| Notes | Small two-stroke development review. Mainly historical, Day enclosed crankcase engine, fifty years of experimental work, the author's "Atom Minor", 75c.c. stationary gas/petrol engine |