Robey & Co., Lincoln, was another engineering firm roped in to build aircraft 1914-18, including Vickers Gun-carrier and Short 184. Robey-Peters RRF.25 was designed by J.A. Peters, biplane with 250-hp Rolls-Royce and gunner (Davis or Lewis) in each of 2 nacelles on top wing, Mk I (September 1916) and Mk II (January 1917).