| Year | 1998 |
| Month | April |
| Volume | 19 |
| Issue | 10 |
| Page | 307 |
| Author | Bertinat |
| Subject | Stationary Engine |
| Key Word | Relief Valve for High Pressure Cylinder Delivery Check Valve for Cylinder Lubricator Boiler Feed and Air Pump |
| Article Title | The Sheldon Compound Steam Engine |