| Year | 1949 |
| Date | 22-Dec |
| Volume | 101 |
| Issue | 2,535 |
| Page | 808 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | Leaf spring hangers, fitting the brackets, correct spring setting essential, assembling the springs |