| Year | 1951 |
| Date | 07-Jun |
| Volume | 104 |
| Issue | 2,611 |
| Page | 737 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | Guide bars, expansion links, trunnion brackets, radius-rods, the lucky south (Sussex MLS), Ron Bostell |