Copy letter from Herbert Rix, to Professor Sydney Howard Vines, Fellow of the Royal Society, Blenheim House, South Lowestoft 'I wrote to Oxford asking you to return Prof Williamson's MS., but I have just learned your right address. Will you have it returned to me as soon as it is feesible to do so? Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 20 July 1892