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John Griffith-Jones (-1951)
1952 Obituary 
"JOHN GRIFFITH-JONES was associated with the electrical side of mechanical engineering during almost the whole of his professional career. He received his general education at Shrewsbury School and served an apprenticeship with Mr. Bertram Thomas in Manchester, from 1902 to 1905. After gaining experience as shift engineer at the Watford Urban District Council's generating station and as inspector electrical machinery for Siemens Brothers, Ltd., Stafford, he went to California, where he found, for three years, employment with firms engaged in the electrical industry.
Brief appointments then followed as assistant to the works manager of the General Electric Company, Ltd., Birmingham and as branch manager to the Electric Control Company, Ltd., Glasgow. In 1915 he joined the ranks of the Royal Fusiliers and after rising to the rank of lieutenant was transferred to the Royal Signals and served as captain in France and Belgium. After his demobilization he was employed in general electrical engineering, chiefly as agent for various firms. In 1941 he became attached to the Ministry of Supply as an inspector of shells. On the conclusion of six years' service he went into practice as a consultant in Manchester, specializing as an inspecting engineer. Mr. Griffith-Jones whose death occurred on 15th March 1951, was elected an Associate Member of the Institution in 1915. He was also an Associate Member of the Institution of Electrical Engineers"