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Chauncey Hugh Sumners (1881-c1951)
1951 Obituary 
"CHAUNCEY HUGH SUMNER, Wh.Ex., in the course of his career filled a variety of posts as draughtsman and designer.
He was born in 1881 and served his time at the Stratford works of the Great Eastern Railway, from 1898 to 1903, obtaining a Whitworth Exhibition in the following year. He continued in the service of the railway company until 1915 when he became attached to the Ministry of Munitions, rising from junior to senior draughtsman with responsibility for the design of gun ammunition on a mass production scale.
In 1918 he took charge of the drawing office for Messrs. Gillett and Johnson, Ltd., Croydon, clock makers and bell founders, and was chiefly concerned with the design of steel structural work. After some temporary appointments of a similar nature with the British Thomson-Houston Company, Ltd., Willesden, and in the electricity department of the Croydon Borough Council he was engaged from 1924 to 1931 in the drawing office of the Mitchell Conveyor and Transporter Company, Ltd., and for six years was draughtsman to Messrs. British Smokeless and Oil Fuels, Ltd., until 1939. More recently he held the appointment of technical assistant to the chief designer of the Plessey Company, Ltd., Ilford, engineers. Mr. Sumner was elected an Associate Member of the Institution in 1922.
He was also an Associate Member of the Institution of Civil Engineers. Captain (E.)"