| Year | 1925 |
| Date | 16-Apr |
| Volume | 52 |
| Issue | 1,251 |
| Page | 427 |
| Category | Locomotive |
| Part | |
| Title | Walschaerts Valve Gear. Some Remarks on its Application to Working Models |
| Author | Henry Greenly |
| Notes | Connecting the link to the return crank. Two methods, showing angularity error due to short eccentric rods, correction of angularity error by off-setting connection of eccentric to link |