Letter from H C H [Henry Cort Harold] Carpenter, Imperial College of Science and Technology, South Kensington, London, to W E [William Ernest] Dalby, City and Guilds Engineering College Items to note from the Royal Society Club dinner the day before: enclosing the cards of those who dined, two menus, and a proposal form for H R [Harry Ralph] Ricardo. With a summary of Sir Robert Robertson's account of his recent visit to the laboratories of I G Farben at Hoechst and Oppau, Germany. 10 May 1929