| Year | 1950 |
| Date | 13-Jul |
| Volume | 103 |
| Issue | 2,564 |
| Page | 59 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters. Two 5-in. gauge locomotives, exactly alike externally but very different internally |
| Author | J.I.Austen-Walton |
| Notes | Eureka - or at least I think so, dear Mr. Editor - Sir, elevations, brake stretcher, bloodshed and vituperation dept., arrangement of brake cylinder return spring |