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
Drill, baby, drill and Joe Biden, "drill, baby, drill" reached a new prominence. Joe Biden, referring to the energy crisis and McCain's 20 votes against funding solar and wind energy, stated that McCain thinks "the only answer is drill, drill, drill. Drill we must, but it will take 10 years for one drop of oil to come out of any of the wells that are going to be drilled." Palin responded by saying, "The chant is 'drill, baby, drill.' And that's what we hear all across this country in our rallies because people are so hungry for those domestic sources of energy to