| Reference number | NLB/57/661 |
| Alternative reference number | NLB/57p378 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to WG Duffield Esq |
| Date | 7 January [1920] |
| Description | Advises he can no longer continue to discuss the matter, and if he is convinced he is right, he should talk to another Fellow of the Royal Society who can communicate the paper for him. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |