| Year | 2018 |
| Date | 23-Nov |
| Volume | 221 |
| Issue | 4,600 |
| Page | 794 |
| Category | Railway |
| Part | 2 |
| Title | More on Balancing |
| Author | Duncan Webster |
| Notes | Revisits the subject of wheel balancing and considers some more complex cases. Three cylinder locomotives, four cylinder locomotives, another approach to two cylinder balancing, references |