Industrial Revolution Timeline By 49826 1760 Wedgwood begins to manufacture pottery. 1765 James Watt builds improved steam train. Hargreaves invents Spinning jenny 1782 James Watt invents first rotative engine. 1791 Eli Watt's cotton gin built. 1825 First Camera. First steam engine built. 1834 First mechanical reaper. 1844 Morse sends first telegraphic message between Washington and Baltimore. 1851 Great exhibition opens in London's Crystal Palace. 1856 Mass production of steel invented. 1863 Construction of the London underground rail system begins 1872 Overland telegraph links south Australia with Darwin in north 1878 Internal combustion engine developed in Germany. 1881 First electric trams, Germany. 1886 First automobile developed by Daimler and Benz. 1888 First railroad in China opened.