| Reference number | NLB/72/451 |
| Alternative reference number | NLB/72 p239 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to C. P. Snow Esq. |
| Date | 30 October 1929 |
| Description | In reply to C. P. Snow's letter, puts down both parts of his paper on 'Infra-red investigations' for reading on 14 November by Snow and Mr [Eric Keightley] Rideal. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |