Minutes of an ordinary meeting of the Royal Society King sent two lodestones by Sir Robert Moray with a message he expects an account from them of some of the most desirable experiments of that nature. Referred to Mr Balle Lord Brouoncker desired to prosecute the Experiment of Recoyling Dr Goddards paper of Colours to be registered Catalaogue of Trades brought by Mr Evelyn and Dr Petty referred to Dr Petty, Mr Evelyn, and Dr Merret to be compared and methodized and brought to the company Dr Holder, Dr Scarburgh, Mr Waller, Mr Coventry, Mr Wilde, Dr White, Mr Pett and Mr Colwall elected Dr Merrett asked to bring in his account of refining which he has spoken about at this meeting. Committee of Lord Brouncker, Mr Boyle, Sir Robert Moray, Sir Paule Neile, Mr Rooke, Mr Wren, Mr Ball, Dr Clarke, Mr Hill appointed to bring in the History of the Quicklsilver Experiment Mr Evelyn asked to bring in a 'History of Graving and Etching' Dr Petty asked to bring in the History of some trade of his own choice Dr Goddard continued for 'Anatomy of wood' Composition of a Committee to be held about magnetical enquiries. 16 January 1661