Letter from Holland, Ministry of Munitions of War, Whitehall Place, S.W, to The Secretary, Royal Society, Burlington House, London, W Acknowledges and thanks the President and Council of the Royal Society for appointing him as a Member of the General Board of the National Physical Laboratory. Highlights the invaluable assistance the laboratory provided during the war, particularly on Gauges. Emphasises his efforts to centralise precision work in the institution to strengthen its national position. 1 February 1917