Copy letter from Herbert Rix, to Oliver Heaviside, Fellow of the Royal Society, Paignton, Devon 'Dear Sir, Your paper is to hand. Do you wish it to go into "Proceedings" ['Proceedings of the Royal Society']? or to be referred with a view to publication in the "Philosophical Transactions" ['Philosophical Transactions of the Royal Society']? If the latter, we shall require an abstract as soon as possible, for use at the meeting & subsequent publication in the "Proceedings". Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 9 June 1891