| Year | 2014 |
| Date | 17-Oct |
| Volume | 213 |
| Issue | 4,493 |
| Page | 566 |
| Category | Road Locomotive |
| Part | |
| Title | Hollow Pistons for a 4in. Scale Burrell SCC Traction Engine |
| Author | Andrew Johnston |
| Notes | His scientific approach to the design of traction engine pistons. Equations of motion for crank and piston, design of hollow pistons, finite element analysis |