| Year | 1958 |
| Date | 01-May |
| Volume | 118 |
| Issue | 2,971 |
| Page | 567 |
| Category | Internal Combustion |
| Part | |
| Title | The quest for efficiency |
| Author | Edgar T.Westbury |
| Notes | I.C. engine gained in popularity. Supercharged V-twin engine by B.Stalham, ME road roller by J.Ripper, Aveling ME road roller, exploiting the i.c. engine, T.Fletcher's seven-cylinder radial two-stroke, application to marine work |