| Year | 1987 |
| Date | 06-Mar |
| Volume | 158 |
| Issue | 3,796 |
| Page | 258 |
| Category | "Countryman's Steam" |
| Part | |
| Title | Wheels with Feet. Tracklaying vehicles from Boydell onwards |
| Author | John Haining |
| Notes | Burrell with Boydell Patent Wheels, Fowler No. 14761 with "Snaketrac" drive, a Super Sentinel Roadless steam tractor, "the track drain", other developments, Fowler No. 5873 with Bottrail back wheels, fairly modern tractor with Roadless system, Fordson with Rotaped system in the Science Museum at Wroughton, the Roadless Company's nameplate, Rotaped nameplate, Rotaped system on a 1950's Fordson tractor with drainage equipment |