| Reference number | NLB/60/197 |
| Alternative reference number | NLB/60 p111 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] |
| Date | 22 December 1920 |
| Description | 'I return herewith corrected proof of Appendix B. I should be glad to have this Report completed as quickly as possible.' [Not enclosed.] |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |