Oxford Steam Plough Co


of Cowley, Oxford.
Presumably successor to or subsidiary of Oxfordshire Steam Ploughing Co
1919 Introduced the Allen road scarifier, which took advantage of the weight of the road roller for re-surfacing roads.
1921 Exhibited a rebuilt engine for a road roller (as did Eddison's at the same exhibition)
1921 John Allen was governing director; George William Graham Allen and James John Cullimore Allen were managing directors.
1924 Name changed, presumably becoming John Allen and Sons (Oxford) Ltd.
