| Year | 1938 |
| Date | 31-Mar |
| Volume | 78 |
| Issue | 1,925 |
| Page | 297 |
| Category | Road Roller |
| Part | |
| Title | A Working Model I.C. Engine-Driven Road Roller |
| Author | Edgar T.Westbury |
| Notes | Steering sector, steering-worm, steering-worm bracket, universal joint, steering-head assembly |