| Year | 1938 |
| Date | 09-Jun |
| Volume | 78 |
| Issue | 1,935 |
| Page | 536 |
| Category | Road Roller |
| Part | |
| Title | A Working Model I.C. Engine-Driven Road Roller |
| Author | Edgar T.Westbury |
| Notes | Preliminary running-in, crankcase-breather, cylinder-head, cylinder-head cover-plate, inlet-valve cage, valves |