Mechanization in 1801, displacing the centuries-old hand method of making individual sheets of paper. One of the first mechanical devices used in agriculture was the seed drill invented by Jethro Tull around 1700. The seed drill allowed more uniform spacing of seed and planting depth than hand methods, increasing yields and saving valuable seed. Mechanized agriculture greatly increased in the late eighteenth and early nineteenth centuries with horse drawn reapers and horse powered threshing machines. By the late nineteenth century steam power was applied to threshing and steam tractors appeared. Internal combustion began being used for tractors in the early twentieth
Anno 1701 were a target demographic for "Anno 1701". Upon release, "Anno 1701" broke sales records to become the fastest-selling German computer game ever, with more than 200,000 units sold in German-speaking countries during its debut two weeks. In response, Sunflowers forecast 500,000 sales by the end of 2006. It ultimately finished the year with sales of 320,000 copies in the German market alone, for revenues of €12.7 million. This placed it second for 2006, behind "World of Warcraft" at 345,000 units. On March 23, 2007, Sunflowers announced an add-on called "Anno 1701: The Sunken Dragon". It includes new features, new missions,