| Year | 1951 |
| Date | 02-Aug |
| Volume | 105 |
| Issue | 2,619 |
| Page | 138 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | The burning question, a solution and snags, a promising alternative, no. 11 and five coaches, the sad story of the week |