The CHAIRMAN, in opening the meeting, said he had much pleasure in introducing tonight's lecturer Mr Webb had been in the aviation field for 29 years In 1930, he joined the Air Ministry and in the pre-war years he worked at the Royal Aircraft Establishment in the Departments of Airworthiness and Aerodynamics At the beginning of the war, he was appointed Resident Technical Officer, firstly at Armstrong Whitworths and later at the Bristol Aeroplane Company It was during this period that he became associated with the helicopter work when the Bristol Company started to develop helicopters in 1944 He remained there until 1950 and during that time he was responsible to the Ministry of Supply for the early development of the Sycamore and the Bristol tandem rotor types