| Year | 1905 |
| Date | 28-Dec |
| Volume | 13 |
| Issue | 244 |
| Page | 610 |
| Category | Steam |
| Part | |
| Title | A Design for a Model Automatic Cut-off Steam Engine |
| Author | P.D.Johnstone (U.S.A.) |
| Notes | Parts specification, crank disc, pin, & shaft, governor parts, damper case, crank pin oiler, eccentric details, eccentric strap, flywheel, throttle valve |