History of agriculture the New Leicester sheep. Machines were invented to improve the efficiency of various agricultural operation, such as Jethro Tull's seed drill of 1701 that mechanised seeding at the correct depth and spacing and Andrew Meikle's threshing machine of 1784. Ploughs were steadily improved, from Joseph Foljambe's Rotherham iron plough in 1730 to James Small's improved "Scots Plough" metal in 1763. In 1789 Ransomes, Sims & Jefferies was producing 86 plough models for different soils. Powered farm machinery began with Richard Trevithick's stationary steam engine, used to drive a threshing machine, in 1812. Mechanisation spread to other farm uses through the
Exhibition drill Exhibition drill Exhibition drill is a variant of drill that involves complex marching sequences which usually deviate from drill used in the course of ordinary parades. Teams performing exhibition drill are often affiliated with military units, but the scope of exhibition drill is not limited to military drill teams. Exhibition drill is often performed by Armed Forces Drill Teams, the drill teams at service academies and ROTC and JROTC units, and civilian drill teams that perform at parades, drill meets, and half-time shows and other public venues. The first documented performance of exhibition drill was performed by Hadji Cheriff and