| Year | 1925 |
| Date | 19-Feb |
| Volume | 52 |
| Issue | 1,243 |
| Page | 220 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Suggested Water-tube Boiler for 1/2-in. Scale Loco |
| Author | G.H.Merz |
| Notes | Pencil sketch of proposed 4-6-0 locomotive, suggested water-tube boiler for solid or liquid fuel |