Industrial Revolution sectors of the economy. However, per-capita food supply in Europe was stagnant or declining and did not improve in some parts of Europe until the late 18th century. Industrial technologies that affected farming included the seed drill, the Dutch plough, which contained iron parts, and the threshing machine. Jethro Tull invented an improved seed drill in 1701. It was a mechanical seeder which distributed seeds evenly across a plot of land and planted them at the correct depth. This was important because the yield of seeds harvested to seeds planted at that time was around four or five. Tull's seed
Drill, Ye Tarriers, Drill Drill, Ye Tarriers, Drill "Drill, Ye Tarriers, Drill" is an American folk song first published in 1888 and attributed to Thomas Casey (words) and later Charles Connolly (music). The song is a work song, and makes references to the construction of the American railroads in the mid-19th century. The tarriers of the title refers to Irish workers, drilling holes in rock to blast out railroad tunnels. It may mean either to tarry as in delay, or to terrier dogs which dig their quarry out of the ground, or from the French word for a drill, "tarière". The song has been