| Year | 1919 |
| Date | 30-Oct |
| Volume | 41 |
| Issue | 966 |
| Page | 386 |
| Category | General |
| Part | |
| Title | Some Experiments with Model Tanks |
| Author | V.E.Johnson |
| Notes | 3. The Rubber-Driven Model. Experiments to increase efficiency, The air fan device to chaeck the racing of the motor at the shaft, the freewheel device, the fusee device, the Dynamobile model, steering the model |