| Level | Item |
| Reference Number (click to see whole series/group) | ADM30/131 |
| Extent | 1 file |
| Title | MUSEUM AND HISTORICAL RESEARCH FILE: COIN - SCALES AND COIN WEIGHTS ETC |
| Date | 23 Jul 1748 - 3 Dec 1942 |
| Description | Includes Royal Mint's proposals for abolition of Troy weight and substitution by metric system (1869). |
| Original Reference | HR27_07 |
| YearOpen | 2026 |