Copy letter from Robert William Frederick Harrison to the Viscount Esher G C V O, 2 Tilney Street, Mayfair, W 'The President and Council at their meeting yesterday appointment you a representative of the Royal Society on the General Board of the National Physical Laboratory, and I am to express the hope that you will consent to serve. The appointment is for a period of six years, ending December 1918.' 6 December 1912