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 in glassmaking, manganese dioxide was available for experiments by alchemists, the first chemists. Ignatius Gottfried Kaim (1770) and Johann Glauber (17th century) discovered that manganese dioxide could be converted to permanganate, a useful laboratory reagent. By the mid-18th century, the Swedish chemist Carl Wilhelm Scheele used manganese dioxide to produce chlorine. First, hydrochloric acid, or a mixture of dilute sulfuric acid and sodium chloride was made to react with manganese dioxide, later hydrochloric acid from the Leblanc process was used and the manganese dioxide was recycled by the Weldon process. The production of chlorine and hypochlorite bleaching agents was a