| Year | 1967 |
| Date | 20-Jan |
| Volume | 133 |
| Issue | 3,313 |
| Page | 79 |
| Category | Locomotive |
| Part | 2 |
| Title | Model Locomotive Design |
| Author | D.E.Lawrence |
| Notes | Locomotive proportions, actual track tests. Optimum fire thickness, superheating, 5"g. GWR Pannier tank, different conditions, the superheater tests, length of run, some tests with altered regulator, difficulty with light loads, minimum theory, summing up |