Seed drill further refined by Jethro Tull in 1701 in the Agricultural Revolution. However, seed drills of this and successive types were both expensive and unreliable, as well as fragile. Seed drills would not come into widespread use in Europe until the mid to late 19th century, when manufacturing advances such as machine tools, die forging and metal stamping allowed large scale precision manufacturing of metal parts. Early drills were small enough to be pulled by a single horse, and many of these remained in use into the 1930s. The availability of steam, and later gasoline tractors, however, saw the development of
Manual of the Mustard Seed Garden great landscape painters. The volume also entered Edo period Japan, where woodblock printed copies became relatively easily accessible in all the major cities; the "Mustard Seed Garden Manual" came to be used by a great many Japanese artists and was a major element in the training of artists and the development of Edo period painting. Two more parts, which deal with the painting of flora and fauna, were produced by Wang and his two brothers and published 1701. Shen promised a fourth part, but never published it. A fourth part, which deals with portraits, was produced by some quick profit-seeking