| Year | 1999 |
| Date | 13-Aug |
| Volume | 183 |
| Issue | 4,100 |
| Page | 214 |
| Category | General |
| Part | 6 |
| Title | Practical Thermodynamics |
| Author | Roy Neck |
| Notes | Examines and discusses smokebox configurations. Locomotive testing, basic relationship, variable orifices, efficiency curves, smokebox fittings |