| Year | 1915 |
| Date | 29-Apr |
| Volume | 32 |
| Issue | 731 |
| Page | 364 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | 3/4-in. Scale G.W.R. Express Locomotive |
| Author | E.W.Twinning |
| Notes | Sketch showing arrangement for filling oil reservoir of G.W.R. four-coupled locomotive |