This is a typical general purpose agricultural traction engine from the later years. As before, the main usage in the summer was for threshing, but in other periods the engine was used for short distance hauling. Wallis & Steevens were founded in Basingstoke, Hampshire in 1856 by Arthur Wallis and Charles Haslam. Charles J Steevens joined in 1869. They were agricultural machinery manufacturers and continued trading until 1981. The engine is a special model for it was fitted with springs on both axles which made travel on modern roads much more comfortable than on traditional steam engines. Eileen was sold in 1921 to a private estate but in 1939 ownership passed to the Hampshire War Agricultural Committee. She was driven throughout the war by one devoted driver who named her Eileen after his daughter. She was a fast engine for those days and is known, when moving from place to place with thresher, baler and pitcher in tow, she could overtake other engines pulling similar loads. Eileen was one of the original challengers for the racing game out of which sprang the movement for the preservation of traction engine. Eileen still exhibits occasionally in the Eastern Counties.