A. M. Grose and N. A. Feary designed their tractor monoplane during 1909, for construction by Capt. W. G. Windham at his Windham Detachable Motor Body Co., of Clapham Junction, London, S.W.11. It was finished in April, 1910, at Oakington, Cambs. The machine was a single-seater and was powered by a four-cylinder 25 h.p. Advance engine. The wings were equipped with a patented lateral stability device. Span, 26 ft. Length, 25 ft. Wing area 160 sq. ft. (Replica of the original aircraft - I don't know if any progress has been made since 2009! )