§ 57. Mr. GARRO-JONESasked the Under-Secretary of State for Air whether 1741 he will indicate generally what progress is being made with the researches into the causes and prevention of ice formation on wing-surfaces?
§ Sir P. SASSOONThe conditions which govern the formation of ice on wingsurfaces are now well understood. A chemical method for preventing it has been evolved at the Royal Aircraft Establishment, and is now being developed. Some mechanical devices for dislodging ice are on the market.