| Year | 2009 |
| Date | 22-May |
| Volume | 202 |
| Issue | 4,352 |
| Page | 628 |
| Category | Locomotive |
| Part | 31 |
| Title | Stowe. Southern Railway 'Schools' Class Locomotive |
| Author | Neville Evans |
| Notes | Describes the oscillating oil pump, discusses a new engine. Goodall valve, suggested Garratt using "Polly" parts |