|Alternative reference number
|Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Charles Tweedie Esquire; Fairfield, Belhaven, Dunbar
|1 November 1920
|Informs Mr. Charles Tweedie that the Society have no Lucasian manuscripts in their Library, noting that Lucas was not a Fellow of the Society. Suggests he write to the present Lucasian Professor, Sir [Joseph] Larmor, for the information he requires.