| Reference number | NLB/11/765 |
| Alternative reference number | NLB/11 p372 |
| Level | Item |
| Title | Copy letter from Herbert Rix, to Messrs Harrison & Sons |
| Date | 2 October 1895 |
| Description | 'Please supply to the Editor of "Nature" an electro of the spectrum figure on page 118 of Vol. 58 of the "Proceedings [of the Royal Society]", and charge the cost to him.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |