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Percy Deakin Hutchinson (1883-1939)
1939 Obituary 
"PERCY DEAKIN HUTCHINSON, Who died on 2nd October 1939, was senior technical assistant in the chief engineer's department of the London County Council.
He was born in 1883 at Dewsbury, Yorkshire, and he attended the Wheelwright Grammar School there from 1895 to 1899. He then spent five years at the Dewsbury and Halifax Technical Schools during which time he served his apprenticeship in the Valley Ironworks of Messrs. Wood Brothers, Ltd., Sowerby Bridge, Yorkshire. He continued with this firm as a draughtsman until 1906 when he took a similar post with Messrs. Belliss and Morcom, Ltd., Birmingham, by whom he was employed on the design of high-speed steam engines, compressors, condensing plant, and pumps. In 1915 he joined the staff of Messrs. Babcock and Wilcox, Ltd., London, as senior draughtsman, and in this position he was concerned with the design of coal-handling plant and structural steelwork for power station and gasworks until 1918. He then held the post of leading draughtsman and designer with Ropeways, Ltd., London, until 1923, when he took up his appointment with the London County Council. His work here was mainly connected with the improvement of the main drainage of London and included sewage purification and sludge digestion works. He was also responsible for the inspection of materials and machinery and the supervision of the erection, running, and testing of machinery. He was elected a Member of the Institution in 1938."