Copy letter from Herbert Rix, to Messrs Harrison & Son, 45 St Martin's Lane 'Dear Sirs, We have examined your account sales & find it correct. There are two small queries in the stock list, which I send on a separate memo [memorandum]. Kindly let me have your cheque for £401-14-11 at once, as we close the accounts for annual audit on Wednesday. Enclosed herewith I send cheque for £415-19-11, amount of your accounts against us. Kindly put the cheque through immediately, & let me have receipts without delay. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 9 November 1891