| Reference number | NLB/3/145 |
| Alternative reference number | NLB/3 p89 |
| Level | Item |
| Title | Copy letter from Herbert Rix, to Professor James Cossar Ewart, [Fellow of the Royal Society] |
| Date | 27 March 1889 |
| Description | 'Dear Professor Ewart, Have you any objection to your figures being done white on black? The difference in cost is considerable. Dr Foster wished me to ask you. Yours truly H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |