Manganese Bronze and Brass Company Limited 1899 - 1962
Produced Manganese Bronze, Immadium and Crotorite to Parson's patent
10/3/1899- The Manganese Bronze and Brass Company was incorporated.
1/1/1962 - changed its name to Manganese Bronze Limited.
16/4/1963 changed to Manganese Bronze Holdings Limited.
11/3/1982 Re-registered as a public company as Manganese Bronze Holdings PLC.