| Year | 2011 |
| Date | 01-Jul |
| Volume | 207 |
| Issue | 4,407 |
| Page | 42 |
| Category | Pump |
| Part | 6 |
| Title | Building a vertical steam-driven boiler feed pump |
| Author | Ted Holloway |
| Notes | Machines a Southworth 6in. Donkey Pump. The crosshead, valve spindle, the shuttle, the steam valves, valve spindle washers |