Copy letter from Herbert Rix, to Professor Joseph John Thomson, Fellow of the Royal Society 'Dear Sir, Did you return to us with Prof Lodge's [Professor Oliver Joseph Lodge] MS. [manuscript] which was referred to you, the sheet of diagrams which accompanied it? It is not to be found, & we think it must be with you. Yours truly H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 15 June 1891