| Reference number | NLB/64/557 |
| Alternative reference number | NLB/64 p315 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. H.J.S. Sand |
| Date | 04 May 1923 |
| Description | Granting an extension of time for completing research or returning the unexpended balance of grant |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |