| Year | 1905 |
| Date | 21-Dec |
| Volume | 13 |
| Issue | 243 |
| Page | 587 |
| Category | Steam |
| Part | |
| Title | A Design for a Model Automatic Cut-off Steam Engine |
| Author | P.D.Johnstone (U.S.A.) |
| Notes | Outboard bearing details, connecting rod, rocker & parts, crosshead, piston-rod, eccentric rod, piston ring |