| Reference number | NLB/69/675 |
| Alternative reference number | NLB/69 p358 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to Harrison & Sons] |
| Date | 12 July 1926 |
| Description | Asks for the corresponding block which shows the chart appearing as the fontispiece in 'phases of modern science', to be loaned to Mrs. [Katherine Mary Lovell] Gamgee. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |