| Year | 1904 |
| Date | 12-May |
| Volume | 10 |
| Issue | 159 |
| Page | 436 |
| Category | Locomotive |
| Part | 10 |
| Title | The "Model Engineer" Locomotive |
| Author | Henry Greenly |
| Notes | The Regulator and Safety Valve. Regulator box & valve, alternative design of regulator valve, safety valve |