| Reference number | NLB/65/48 |
| Alternative reference number | NLB/65 p27 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. Harrison & Sons Ltd. |
| Date | 18 July 1923 |
| Description | Asks them to insert the enclosed advertisment in the 'Times' and 'Morning Post' of 23 July, and in 'Nature' of 28 July and 22 September. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |