| Year | 1994 |
| Date | 07-Jan |
| Volume | 172 |
| Issue | 3,960 |
| Page | 26 |
| Category | Countryman's Steam |
| Part | |
| Title | Modern Commercial Steam Road Vehicles |
| Author | John Haining |
| Notes | Discusses steam development work. A) Shrewsbury - the last years of steam, S4 Sentinel, B) Doble's work at Shrewsbury, C) German development of steam road vehicles, the Henschel Doble steam wagon, D) Crystal ball-gazing, Gebr. Sachsenberg steam tractor, R2 steam tractor for general purposes, Sentinel Rhino tractor of 1927, footnote and bibliography |