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Joseph Jackman (1845-1927) of Joseph Jackman and Co
1927 Obituary 
JOSEPH JACKMAN was born at Cumberworth, Yorkshire, in 1845, and as a young man obtained a wide knowledge of the steel trade in Sheffield.
At the age of thirty-five he commenced business on his own account as a manufacturer of high-grade steel, and founded the firm which bears his name.
Mr. Jackman, whose death occurred on 3rd November 1927, could recall the attempt that was made by trade unionists of that day, led by the notorious Broadhead, to blow up with gunpowder the works of Messrs. Wheatman and Smith of Kelham Island, in whose employ he was at that time.
He became an Associate of the Institution in 1891 and a Companion in 1922.