| Year | 1938 |
| Date | 29-Sep |
| Volume | 79 |
| Issue | 1,951 |
| Page | 304 |
| Category | Road Roller |
| Part | |
| Title | A Working Model I.C. Engine-Driven Road Roller |
| Author | Edgar T.Westbury |
| Notes | Engine-shaft sprocket, primary shaft sprocket-wheel, transmission-gear assembly, forward and reverse clutch control lever of prototype (photo courtesy of Aveling-Barford), gear-control lever, arrangement |