| Year | 1956 |
| Date | 27-Dec |
| Volume | 115 |
| Issue | 2,901 |
| Page | 897 |
| Category | Automotive |
| Part | |
| Title | Modern Steam Cars |
| Author | George W.McArd |
| Notes | The Doble type E.14, long life, the Claydon steamer, Derr watertube generator, layout of the Keen car, the keen steamer, the Claydon two-cylinder single-acting uniflow V-type expansion engine |