Automatic Engine Controls: A “Master” Carburettor with Boost and Mixture Controls Fully Automatic from Sea Level to Ceiling Available to Purchase

THE Hobson “Master” Carburettor, manufactured by H. M. Hobson Components, Ltd., of Acton, incorporating Automatic Boost and Mixture controls, has done more to relieve the pilot of responsibility with regard to his engine during flight than any other invention of recent years.