Sage, Frederick & Company Ltd.
Frederick & Sage Company Ltd engaged originally in fine woodwork. In early 1915 was asked by Admiralty to build aircraft, and was first concerned with airships. In June 1915 received order for Short 184 floatplanes, and carried out modifications to, and built, Avro 504K trainers. Built own-design Sage Type II, two-seat biplane fighter, with enclosed crew and gunnery arrangements (flown 1916); Type III was trainer for Admiralty (flew 1917); Types 4a, b and c were patrol and trainer floatplanes; none entered production.