| Reference number | NLB/65/563 |
| Alternative reference number | NLB/65 p313 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to B. D. Porritt, Esq. M.Sc.; Research Association of British Rubber & Tyre Manufacturers, Lansdowne Road, Croydon |
| Date | 20 November 1923 |
| Description | Regrets that, in answer to B. D. Porritt's enquiry, the Royal Society has no papers relating to the work of Thomas Heycock or Charles MacIntosh, but suggests good biographies of them. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |