| Year | 1951 |
| Date | 08-Nov |
| Volume | 105 |
| Issue | 2,633 |
| Page | 626 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | "Twin Sister" No. 2, how soon, talking of cylinders, "the best hobby in the World", cylinder drain cocks, forthcoming attractions |