 After his death , Coke was commemorated by the Coke Monument , designed by William Donthorne and erected in 1845 – 8 at a cost to the tenants of the estate of £ 4 @,@ 000 . The monument consists of a Corinthian column 120 feet ( 37 m ) high , surmounted by a drum supporting a <unk> and a plinth decorated with bas @-@ reliefs carved by John Henning , Jr . The corners of the plinth support sculptures of an ox , sheep , plough and seed @-@ drill . Coke 's work to increase farm yields had resulted in the rental income of the estate rising between 1776 and 1816 from £ 2 @,@ 200 to £ 20 @,@ 000 , and had considerable influence on agricultural methods in Britain . 
