| Year | 2014 |
| Month | January |
| Volume | 35 |
| Issue | 7 |
| Page | 246 |
| Author | Gearing |
| Subject | Traction Engine |
| Key Word | Pressure relief valve bodies Safety Valve Nut Safety Valve Spindle Wheels Rear Wheels |
| Article Title | Small Traction Engine Powered by Air from a Tyre Pump |