Copy letter from Robert William Frederick Harrison, to William Henry Lang, [Fellow of the Royal Society], 40 Lawrence Street, Dowan Hill, Glasgow 'I am obliged by your letter returning the corrected proof of your paper. As the paper is being published in the vacation, in accordance with some new regulations of the Society, it will be only formally read at the first meeting of the Society in November. I am, Yours faithfully, Robt Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Society]'. 2 October 1896