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Frederick Rowland Emett (22 October 1906 – 13 November 1990) OBE, known as Rowland Emett (with the forename sometimes spelled "Roland" [as his middle name appears on his birth certificate] and the surname frequently misspelled "Emmett"), was an English cartoonist and constructor of whimsical kinetic sculpture. 
The Hogmuddles Rotatory Niggler and Fidgeter was a well-known engineering design of his.
He also designed the Far Tottering Railway for the 1951 Festival of Britain.
In 1968 he designed the elaborate inventions of Caractacus Potts (played by Dick Van Dyke) for the film Chitty Chitty Bang Bang.
1982 The Self-Golfing Golf Machine designed by Emett was unveiled at the British Open Golf Championship at Troon in July.
Engineering companies and science museums were regular customers for Emett's work. Honeywell requested a computer which he named The Forget-Me-Not Computer, Borg-Warner requested a car. Museums obtained the Exploratory Moon Probe Lunacycle and the Featherstone Kite Mk II Gentleman's Flying Machine.