| Year | 1999 |
| Date | 21-May |
| Volume | 182 |
| Issue | 4,094 |
| Page | 634 |
| Category | General |
| Part | 3 |
| Title | Practical Thermodynamics |
| Author | Roy Neck |
| Notes | Looks at small locomotive boilers. Nigel Gregson's 5"g. 4-6-2 LMS Duchess, temperature v pressure, firebox dimensions, grate design, a new efficiency |