| Year | 1958 |
| Date | 22-May |
| Volume | 118 |
| Issue | 2,974 |
| Page | 664 |
| Category | Locomotive |
| Part | |
| Title | Outside link motion |
| Author | LBSC |
| Notes | Inside and outside Stephenson link motion. Inside link motion, like inside layout, outside link motion with rocker drive, Ayesha's cylinders |