Grace's Guide

British Industrial History

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Manganese Bronze and Brass Co

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1890. The Foundry, Deptford.
August 1933.
Dec 1939.
Sept 1940.
November 1943.
November 1944.
October 1945/April 1947.


November 1947.
January 1948.
February 1948.
May 1948.
August 1948.
November 1950.
January 1952.
April 1952. Scimitar Bronze Propellers.
Oct 1956.
November 1957.
November 1958.
May 1961.

of St. George's Wharf, Deptford, London and of St. David's Wharf, Millwall, London, and of Birkenhead and Ipswich, later known as Manganese Bronze.

1881 Company founded as P. M. Parsons.

1882 Incorporated as a Limited Company. The company was registered on 28 June, to acquire the business of P. M. Parsons, carried on at the works at St. Georges Wharf, Deptford, London. [1]. Directors included W Colchester, chairman of the Lawes Chemical Manure Co of Ipswich, W. Pearce of John Elder and Co of Glasgow, P. M. Parsons, etc; manager of the works was P. E. Parsons; temporary offices were at 3 Walbrook, London EC[2].

c.1890 Making screw propellers for a range of clients

1899 Public company. The company was reconstructed in connection with an increase in the capital, re-registration taking place on 10 March.

1914 Directory: Listed as 'sole manufacturers of Parson's patent Manganese Bronze, Immadium and Crotorite; general founders and engineers also manufacturers of plates, sheets, rods, tubes and stampings in Manganese Bronze, yellow metal and naval brass; rolling mills and works'. [3]

1914 Listed as manufacturing the above. Also Electric, Hydraulic and other work, manufacturers of Damaxine and Turbadium and Parsons' White Brass in various grades; suppliers of bronze propellers to all the leading navies and steamship lines of the world. [4]

1933 Note accompanying report of annual results mentioned that the company was controlled by British Metal Corporation[5].

1934 The Thames was home to specialists in propellors - J. Stone and Co at Deptford and Charlton made 4 of the largest propellors ever made for vessel #534 being constructed on the Clyde; Manganese Bronze and Brass Co made the other four[6].

1936 British Metal Corporation sold its shareholding to Anglo-French Trust which was followed by a capital reorganisation allowing shareholders to subscribe for more shares and gace the company capacity to borrow money in future; turnover increased substantially with the increase in shipbuilding so expansion was likely to be needed; demand for Oilite bearings was likely to increase[7].

1938 Propellor works at Millwall; extrusion and rolling of specialized alloys at Ipswich[8].

1939 See Aircraft Industry Suppliers

WWII: Propellor works moved to Birkenhead.

1951 Progress in design of propellors would be aided by the new cavitation tunnel at Durham University; new alloy Nikalium developed as replacement for manganese bronze[9].

1956 Took over Lightalloys Ltd[10] and Steven and Struthers Ltd[11].

1958 Expansion of Lightalloys into doors for railway stock.

1959 Took over Redro Ltd with its subsidiaries Deans and Son (Yorkshire) Ltd and Beverley Fibre Glass Ltd, all located at Beverley, manufacturers of manual and power-operated doors for road and rail vehicles. Declining demand for propellors but new developments such as variable pitch were in demand[12].

1960 Formation of Stone-Manganese Marine to handle overseas sale of marine products of Manganese Bronze and Brass Co, J. Stone and Co (Propellors), Bulls Metal and Marine, and Steven and Struthers[13]. Factory at Willesden sold; Lightalloys merged with Deans at Beverley[14].

1961 Manufacturers of marine propellers in manganese bronze; Kaplan blades and Francis runners; brass and bronze ingots; extruded brass rods, tubes and sections; rolled rods, tubes, plates and sheets; forgings, chill castings and anti-friction white metal ingots; self-lubricating bronze bearings; sintered bronze and brass parts; sintered (high density) iron parts; sintered superload bearings and structural parts; sintered metal filters[15].

1962 Name shortened to Manganese Bronze from 1 January[16]. Acquired Patent Die-Casting Co[17].

1963 Stone-Platt took over the marine division based at Birkenhead[18].

1963 64th AGM. Company converted into a holding company Manganese Bronze Holdings Ltd. Two subsidiaries - established Manganese Bronze Ltd to hold the Wrought Metals Division and Sintered Materials Division, both at Ipswich[19] and Alpax Ltd to hold the Deans and Lightalloys and other companies operating principally at Willesden and Beverley.

1963 Motor Show exhibitor. Bearings and Sinterings. Manganese Bronze of Ipswich, Deans and Lightalloys and Patent Die-Casting Co were linked companies

See Also


Sources of Information

  1. The Stock Exchange Year Book 1908
  2. The Times, 12 July 1882
  3. Kelly's Directory of Durham, 1914 p724
  4. 1914 Whitakers Red Book
  5. The Times, 15 May 1933
  6. The Times, 25 September 1934
  7. The Times, 1 May 1937
  8. The Times, 30 March 1938
  9. The Times, 15 May 1951
  10. The Times, 3 October 1956
  11. The Times, 6 May 1957
  12. The Times, 11 May 1960
  13. The Times, 29 July 1960
  14. The Times, 30 June 1961
  15. 1961 Dun and Bradstreet KBE
  16. The Times, 30 June 1961
  17. The Times, 5 April 1962
  18. The Times, 23 February 1963
  19. The Times, Wednesday, Apr 17, 1963