Improvements in the plough, harrow and roller were introduced, adapting those implements to different soils and purposes.
He died near Harrow on the 14th of July 1907.
He was educated at Harrow and at Trinity College, Cambridge, and was called to the bar at Lincoln's Inn in 1786.
Educated at Harrow, Brasenose College, Oxford, and GÃ¶ttingen, he was elected fellow of Brasenose and in 1884 keeper of the Ashmolean Museum at Oxford, holding this post till 1908.
Rufus King's son, John Alsop King (1788-1867), was educated at Harrow and in Paris, served in the war of 1812 as a lieutenant of a cavalry company, and was a member of the New York Assembly in1819-1821and of the New York Senate in 1823.