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19th Century was a Time of British Political Change in Naval Power, new industries in Steam, Iron & steel, manufacturing of Cannon in large quantities after 1815. The Crimean War 1854-6, and the American Civil War 1861-1865 started the Safe Manufacture and Testing of Explosives for Industry. Personal Safety, it is illegal to manufacture explosives without a license. This is one of many visual eBook Application is part of a growing visual index of Educational eHistory, part of mankind’s industrial development.