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Thomas Sugden (1849-1935) of T. Sugden
1935 Obituary 
THOMAS SUGDEN had been a Member of the Institution for fifty-three years, having been elected in 1882.
He was born in 1849 and served his apprenticeship at the Wellington Ironworks, Oldham, remaining with the firm for nine years.
In 1872 he obtained a studentship at the Royal College of Science and School of Mines. He gained a Whitworth Scholarship in 1873 and studied engineering at Owens College, Manchester, and later entered the Royal School of Mines, London.
In 1883 he joined the Chadderton Ironworks Company, Ltd., engineers and boilermakers, as general manager, and held this position for eight years.
He was then appointed assistant to the general manager of Messrs. Babcock and Wilcox, Ltd., and was engaged on work in connexion with the design and construction of power station plant.
In 1902 Mr. Sugden went into business on his own account and established the firm of Messrs. T. Sugden, Ltd., specializing in steam plant economy.
Of his numerous inventions, chiefly in connexion with superheaters, nearly forty were patented, and many have been extensively adopted; of these, the Sugden uptake superheater for Scotch marine boilers was a notable example. In addition, he was the author of a book entitled "Superheated Steam," and he contributed frequently to the proceedings of technical institutions on the subjects of superheating and fuel economy.
Mr. Sugden, who was also a Member of the Institution of Civil Engineers, and senior vice-president of the South Wales Institute of Engineers, retired in 1933.
He died at his home in Dulwich on 1st February 1935.