|Alternative reference number||NLB/3 p89|
|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.
Asst Sec RS [Assistant Secretary, Royal Society]'.