|Alternative reference number
|Copy letter from Robert William Frederick Harrison, to T C Hepworth, 10 Lysias Road, Balham Hill, S.W.
|13 December 1902
|'The Assistant Secretary presents his compliments to Mr. Hepworth and regrets that he cannot find any trace of Robert Mallet's M.S. and photographs, nor does he thinks they have been in the possession of the Royal Society during his tenure of office.