| Year | 1905 |
| Date | 14-Dec |
| Volume | 13 |
| Issue | 242 |
| Page | 563 |
| Category | Steam |
| Part | |
| Title | A Design for a Model Automatic Cut-off Steam Engine |
| Author | P.D.Johnstone (U.S.A.) |
| Notes | Steam chest cover, exhaust Y casting, main bearing cap, quarter box, guide bar bolts, adjusting bolts, outboard bearing details, guide bars, piston, engine bed |