 Mr. McKay purchased all the interests of his partners in 1887 and organized the firm of James McKay & Company, taking into partnership his two sons, Robert J. and J. Albert.The firm was changed to a stock company in 1905, and Mr. McKay retired, turning over all his interests to his three sons, the two mentioned above and Thomas J.The plant was located at McKee's Rocks, Pennsylvania, and was eventually sold in the 1960s to Teledyne Corporation.