of London
of Blaydon Iron Works, Newcastle-on-Tyne
1845 Company established by Thomas Brown (1795- )
c.1854 (presumably) William Horatio Harfield was taken into partnership by his step father Thomas Brown (1795- ), as Brown and Harfield
1871 Harfield and Co's patented system of anchor capstans, already in use in the Royal Navy, was supplied for the new P&O steamer[1]
1882 Harfield and Co of London acquired May and Mountain
1883 Employed John Willim Hall to design, construct and operate their new works. He remained manager until 1887.[2]
1888 Hydraulic press and pump on Higginson's sytem, installed at Blaydon Ironworks, described and illustrated [3]
1914 Engineers, Iron, Steel and Brass Founders. Specialities: Capstans, Windlasses, Steering Gears and General Ship Auxiliaries. Employees 500. [4]