| Year | 1950 |
| Date | 06-Apr |
| Volume | 102 |
| Issue | 2,550 |
| Page | 484 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | True to type, coupling-rods, marking out, bushes, fluting |