| RefNo | NLB/72/774 | 
| AltRefNo | NLB/72 p415 | 
| Level | Item | 
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Right Honourable Viscount Knutsford, K.P.; Manfield Lodge, Dufftown | 
| Date | 11 April 1930 | 
| Description | In reply to Viscount Knutsford's letter, informs him that the late Lord Rayleigh [John William Strutt]'s papers on the colours of butterflies and other insects appeared in the Philosophical Magazine. | 
| Extent | 1p | 
| Format | Carbon | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA6090 | Strutt; John William (1842 - 1919); 3rd Baron Rayleigh; experimental and mathematical physicist | 1842 - 1919 |