| Year | 1955 |
| Date | 07-Apr |
| Volume | 112 |
| Issue | 2,811 |
| Page | 384 |
| Category | Locomotive |
| Part | |
| Title | Twin Sisters |
| Author | J.I.Austen-Walton |
| Notes | Combined sanding and blower valve, the rear windows, the front spectacle plate, the end in sight, workshop note, centre window frame, outer and inner frame |