History of the horse in Britain drawn by two horses, the "Dutch plough", was used in eastern England; this was followed in 1730 by the lightweight Rotherham plough, an unwheeled, or "swing" plough. It was advertised as reducing ploughing times by a third, or using a third less horsepower for the same ploughing time. The improved seed drill and horse-hoe were invented by Jethro Tull in 1731; but it took more than 100 years for these designs to come into common use. The earliest horse-powered threshing machines, which were installed permanently in barns, were developed towards the end of the 18th century. The use of fast
Thomas Howard (1651–1701) he had three sons and a daughter. Only one son survived him, dying the year after him aged 14. His daughter Diana married (in 1703) Edward Ward, 8th Baron Dudley and 3rd Baron Ward, who died in 1704, leaving her pregnant with a posthumous son, who succeeded his father in the Dudley estates, but died in 1731 without issue. Thomas Howard (1651–1701) Thomas Howard (1651–1701) was the only surviving son of Sir Robert Howard of Ashtead, Surrey. He served as a Teller of the Exchequer from 1689 until his death, a post that provided him with a house at Westminster.