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James Fox (1790-1859) of Fox of Derby, machine tool maker
1789 August 9th. Baptised at Tatenhill, Staffs the son of James Fox, Senior and his wife Ann
1851 Living at 55 City Road, Derby: James Fox (age 61 born Tatenhill, Staffs), Engineers firm of two employing 15 men - Unmarried. With his sister Elizabeth Fox (age 59 born Derby) and his two brothers; Thomas Fox (age 56 born Derby), Annuitant - Unmarried; and John Fox (age 51 Born Derby), Annuitant - Unmarried. Two servants. 
1857 Retired from the partnership
1859 March 25th. Died aged 68 at his residence in City Road.