| Year | 1948 |
| Date | 03-Jun |
| Volume | 98 |
| Issue | 2,454 |
| Page | 579 |
| Category | Locomotive |
| Part | |
| Title | Theme and Variations (Former L.M.S.R. "Class 5" locomotives. Caprotti valve-gear and Timken roller bearings) |
| Author | J.N.Maskelyne |
| Notes | Caprotti cam-box, Class 5P 4-6-0 No. 4748 (Caprotti valve-gear and Timken roller-bearings) |