§ Sir A. STEEL-MAITLAND
Estimates of the number of insured persons in individual industries are made once a year on the basis of the exchange of unemployment books which takes place in July. It is estimated that at July, 1928, there were 813,690 men and 76,470 women classified as belonging to the engineering group of industries. This group includes general engineering with engineers' iron and steel, etc., founding; electrical engineering; marine engineering; constructional engineering; and the construction and repair of motor vehicles, cycles and aircraft. At 26th November, 86,612 men and 3,697 women classified as belonging to this group were recorded as unemployed.