| Year | 1931 |
| Date | 08-Jan |
| Volume | 64 |
| Issue | 1,548 |
| Page | 27 |
| Category | Locomotive |
| Part | |
| Title | Shops, Shed and Road. A Column of "Live Steam" |
| Author | LBSC |
| Notes | More valve gear queries, Southern (American) valve gear for outside admission, the latest Baker development, the Southern valve gear, latest type of Baker gear with double reverse yokes, Young valve gear, various other miscellany, photos by M.L.Rush |