| Reference number | NLB/55/103 |
| Alternative reference number | NLB/55 p57 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Charles Glover] Barkla, FRS |
| Date | 05 December 1917 |
| Description | Letter informing Professor Barkla that his Hughes Medal will be struck in sand-blasted copper due to the war but that he will also be given a gift of money which he can then use to later have a medal struck in gold |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |