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John Cochrane (1857-1917) of Grahamstown Foundry and Engine Works, Barrhead
1885 Member of the Institution of Mechanical Engineers
1918 Obituary 
JOHN COCHRANE was born at Barrhead, near Glasgow, on 27th March 1857.
He was the son of the founder of the Grahamston Foundry and Engine Works, Barrhead, and had the superintendence of this business from early life until within a few weeks of his death.
He was particularly interested in Corliss engine gears and valve-motions, and was indentified with numerous inventions in this connexion. His latest invention was a form of double-cylinder hammer for economical working by air, the smaller cylinder only being used when light blows are required.
He was Provost of Barrhead for many years, a County Councillor of Renfrewshire for some years, and a Justice of the Peace of that county.
The business has been lately formed into a private limited company, and the standard products with which the earlier firm was identified are now being carried on with other new productions.
His death took place at Barrhead on 22nd October 1917, at the age of sixty years.
He became a Member of this Institution in 1885.