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
Foot drill Troops who are new to drill are unconfident and tend to panic or become confused when new commands are introduced. Troops who do lots of drill can more easily be taught new formations, building off the base of experience previously garnered. In a period when all war was foot drill, this could obviously prove an advantage. As an example, the British used an unorthodox two rank line during the later 18th and early-to-mid 19th Centuries as a force multiplier. In the Peninsular Campaign they were able to adapt this formation from strictly linear to a shallow crescent. Moving from a