Letter from Arthur Harden, The Owens College, Manchester, to [Herbert] Rix, Assistant Secretary of the Royal Society Harden sends 'an interim report and statement of accounts to date of the research on the combination of chlorine with [carbon monoxide]' for which they received a grant of £10 from the government [enclosure not present], and requests a further grant of £20 to continue his experiments. 28 March 1893