Copy letter from Herbert Rix, to Mr John Crawford Williamson, Dunstan Heath, Guildford, Surrey 'Dear Sir, We do not exhibit at all at our ordinary meetings, but if you like to send the pocket book of John Locke for exhibition at our soirée in May it shall be placed on view. Yours faithfully, H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 13 March 1889