Manganese Bronze Holdings Manganese Bronze Holdings Manganese Bronze Holdings plc (MBH) was the holding company of LTI Limited: their sole business in their final years as a company was London black taxicab manufacturing through the LTI subsidiary. MBH was founded in 1899 and was once an important conglomerator of British motorcycle marques. The company acquired the subsidiary Carbodies in 1973, which was involved in the design, development and production of taxicabs. This subsidiary eventually became "LTI Limited", and traded first as "London Taxis International" and then as "The London Taxi Company". The sale of its components division in 2003 left the company with
Manganese until 2000, the only United States coin to use manganese was the from 1942 to 1945. An alloy of 75% copper and 25% nickel was traditionally used for the production of nickel coins. However, because of shortage of nickel metal during the war, it was substituted by more available silver and manganese, thus resulting in an alloy of 56% copper, 35% silver and 9% manganese. Since 2000, dollar coins, for example the Sacagawea dollar and the Presidential $1 coins, are made from a brass containing 7% of manganese with a pure copper core. In both cases of nickel and dollar,