| Reference number | NLB/67/836 |
| Alternative reference number | NLB/67 p447 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [Peter Chalmers] Mitchell, FRS |
| Date | 21 March 1925 |
| Description | 'I have to thank you for your letter of yesterday enclosing two copies of the American Journal, "Science".' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |