| Year | 2021 |
| Date | 21-May |
| Volume | 226 |
| Issue | 4,665 |
| Page | 676 |
| Category | Railway |
| Part | 1 |
| Title | Lubrication |
| Author | Rhys Owen |
| Notes | Discusses friction and lubrication and how to get the oil where we want it. Supplying the lubrication, trimmings and pads, worsted trimmings, axleboxes, locomotive connecting rod big end bearing, references |