| Year | 1938 |
| Date | 12-May |
| Volume | 78 |
| Issue | 1,931 |
| Page | 442 |
| Category | Road Roller |
| Part | |
| Title | A Working Model I.C. Engine-Driven Road Roller |
| Author | Edgar T.Westbury |
| Notes | Crankshaft, cross section, centred throw piece, machining forged crankshaft, built-up crankshaft, flywheels, split collets, timing gears |