| Year | 1960 |
| Date | 02-Jun |
| Volume | 122 |
| Issue | 3,073 |
| Page | 662 |
| Category | Internal Combustion |
| Part | |
| Title | Unorthodox I.C. Engines. The opposed-piston gas engine |
| Author | Edgar T.Westbury |
| Notes | Practical advantages, Sturgeon's double-piston engine, Oechelhauser engine, Doxford engine, Gobron-Brillie alcohol engine, in model form |