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David Wilson McGuffie (c1878-1950)
1951 Obituary 
"DAVID WILSON MCGUFFIE, whose death in his seventy-second year occurred on 9th February 1950, was in practice as a consulting engineer and marine surveyor in Glasgow, for over forty years. He was educated at the Glasgow Academy and served an apprenticeship with Messrs. John G. Kincaid and Company, Ltd., of Greenock, from 1894 to 1899.
He then spent three years at sea as marine engineer and during this period obtained a Board of Trade chief engineer's certificate. After gaining some experience in the drawing office of Messrs. Kincaid and Company he was with Mr. John White Boyd as an assistant until 1908 when he became a partner in the firm of Messrs. Stevenson and McGuffie, specializing as a salvage expert. In addition he acted as superintending engineer to several firms of ship-owners and supervised the construction of vessels. During the 1914-18 war he served in the Royal Naval Volunteer Reserve for three years, being in command of patrol boats and later a commander in the salvage section. From 1925 onwards he was in business on his own account. Mr. McGuffie had been a Member of the Institution since 1915."