| Reference number | NLB/69/674 |
| Alternative reference number | NLB/69 p357 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Mrs [Katherine Mary Lovell] Gamgee, WC1 |
| Date | 12 July 1926 |
| Description | Informs Mrs. [Katherine Mary Lovell] Gamgee she can expect permission to reproduce in her book, the chart of the range of electro-magnetic waves published in 'Phases of Modern Science'. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |