| Reference number | NLB/70/336 |
| Alternative reference number | NLB/70 p177 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to P. E. Penington Esq. |
| Date | 8 March 1927 |
| Description | 'I am directed to thank you for your letter of the 28th February and to tell you that as far as I know, there is no Society which is offering a premium to anyone who discovers a practical geometrical method of trisecting an angle.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |