| Year | 1919 |
| Date | 12-Jun |
| Volume | 40 |
| Issue | 946 |
| Page | 470 |
| Category | Locomotive |
| Part | |
| Title | The Standardisation of Parts for Half-Inch Scale Model Locomotives |
| Author | Henry Greenly |
| Notes | Arrangement of Stephenson's link motion with duplex weighshaft, H.Greenly's differential-screw intermediate valve spindle, arrangement of Stephenson's link motion for small wheeled engine, 1/2" scale 5/8" x 1" outside cylinders, slip eccentric parts |