Copy letter from Robert William Frederick Harrison, to Professor Joseph John Thomson, Fellow of the Royal Society 'Dear Sir, The Physics and Chemistry Committee will meet next Tuesday, and I shall be much obliged, therefore, by your returning Dr E. T. Jones's paper "On the Relation between Magnetic Stress, &c" as soon as possible, with your Report thereon. I am, faithfully yours, Robt Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 5 February 1897