Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir Dugald Clerk, Chairman of the Applied Sciences Committee and FRS Refers to a paper by Dugald Clerk and Professor [William Ernest] Dalby, 'The elastic properties and the plastic extension of metals'. Encloses the reports from [Robert Abbott] Hadfield and Sir Charles [Algernon] Parsons and asks whether, considering the length of the paper, either a further report be obtained or a meeting of the Committee be held. 3 March 1920