| Year | 1958 |
| Date | 05-Jun |
| Volume | 118 |
| Issue | 2,976 |
| Page | 715 |
| Category | Road Locomotive |
| Part | |
| Title | Further notes on the The American traction engine |
| Author | Geoffrey K.King |
| Notes | Baker uniflow engine, four-wheel drives. Four-wheel drive by Wood, Taber and Moore, complicated gearing, drive through the hubs, how did it work? |