| RefNo | SSC2/7/21 |
| Alternative Reference number | SSC 627 |
| Title | Letter from F. J. Greenway to the Sheffield Smelting Company Limited |
| Description | About their respective rights in the use of the Parkes Process for desilverizing lead. |
| Date | 4 Jan 1886 |
| Extent | 1 item |
| AccessStatus | Open |
| Level | Item |