Copy letter from Robert William Frederick Harrison, to the Assistant Secretary, Board of Trade, Whitehall, S.W. 'Sir, I have to acknowledge the receipt of your letter of the 4th December, relating to the Weights and Measures Metric System Act, 1897, and to say that it will be brought before the Council of the Society at their next meeting. I am, Sir, Your obedient Servant, Robt Harrison Assist. Sec. R. S. [Assistant Secretary, Royal Society]'. 6 December 1897