| Year | 1959 |
| Date | 12-Mar |
| Volume | 120 |
| Issue | 3,016 |
| Page | 325 |
| Category | Locomotive |
| Part | |
| Title | Tich Topics |
| Author | LBSC |
| Notes | Several variations. Arrangement of balancing pipes, internal top feed, anti-priming safety valve, bunker slide, discovering the cause, re-directing the steam |