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Patented in 1832 by John Heathcoat (also Heathcote), M.P. for Tiverton, the Heathcote steam plough was demonstrated in 1837 and press coverage fortunately provided a woodcut of the unusual tracked vehicle. [4] The continuous tracks were made of 215 cm (7 ft) sections of wood bolted to continuous iron bands which were driven by "drums" at each end.