| Year | 1939 |
| Date | 27-Jul |
| Volume | 81 |
| Issue | 1,994 |
| Page | 91 |
| Category | Locomotive |
| Part | |
| Title | Ivatt "Atlantics" |
| Author | R.A.H.Weight |
| Notes | "Atlantic" L.N.E.R. No. 4450 (photo by R.A.H.Weight), No. 271 as rebuilt (photo by The Locomotive Publishing Co.), compounding, tests |