Copy letter from Herbert Rix, to J Power, Royal Observatory 'Dear Mr Power, Enclosed herewith I send you cheque for £4.13.1 the amount your claim against us for expenses of the transport of Schuckburgh's scale. Will you let me have a receipt to serve and vouchers for my auditors? Yours faithfully, With many thanks, H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 2 January 1889