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
Manual of the Mustard Seed Garden publisher, though. Chao Xun () (1852–1917), dissatisfied with the fake, produced his own sequel, as well as carefully reproduced the first three volumes. Reprints of the first three volumes are usually based on Chao's reproduction. An English translation of the work, "The Tao of Painting – A study of the ritual disposition of Chinese painting. With a translation of the Chieh Tzu Yuan Hua Chuan or Mustard Seed Garden Manual of Painting 1679–1701", was made by Mai-mai Sze and published in New York in 1956. Manual of the Mustard Seed Garden Manual of the Mustard Seed Garden (, '), sometimes