| Year | 1988 |
| Date | 01-Jul |
| Volume | 161 |
| Issue | 3,828 |
| Page | 46 |
| Category | Workshop |
| Part | |
| Title | Measuring Equipment |
| Author | Harold Mason |
| Notes | Or "How long is a piece of string". Philip Dearden, Geoff, David Lavell at the Zeiss Metroscope, Andrew Atkins at Standard Calibration |