| Reference number | NLB/67/239 |
| Alternative reference number | NLB/67 p133 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs Harrison and Son |
| Date | 18 November 1924 |
| Description | 'Please send up 250 each of this accompanying card to all the existing stock.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |