| Year | 2022 |
| Date | 25-Mar |
| Volume | 228 |
| Issue | 4,687 |
| Page | 461 |
| Category | Workshop |
| Part | 1 |
| Title | Getting It Right |
| Author | Rhys Owen |
| Notes | Looks at ways of achieving accuracy with a variety of measuring instruments. Henry Maudslay, the ancient world, the industrial revolution, calipers, using a vernier, vernier caliper, mirometer, Abbe's Principle, micrometer, gauge blocks, sources of error |