| Year | 2022 |
| Date | 22-Apr |
| Volume | 228 |
| Issue | 4,689 |
| Page | 568 |
| Category | Workshop |
| Part | 3 |
| Title | Getting It Right |
| Author | Rhys Owen |
| Notes | Looks at ways of achieving accuracy with a variety of measuring instruments. Alignment, centring and run-out, the toolmaker's button - or how to locate a hole very accurately, spider fixture, diesel engine's bearings, taut line used to erect a Pennsylvania Railroad locomotive, optical methods, references |