Cosmos Engineering Co
Cosmos Engineering, aero engine manufacturer of Fishponds, Bristol.
1919 Purchased the aviation parts of Brazil, Straker and Co and continued work on the designs.
1919 January. Advert states that they were formerly Brazil, Straker and Co. "Designers to the Air Ministry. Specialists in the highest class aero and motor car engines" . Roy Fedden, the company's principal designer, had developed the 14-cylinder radial Mercury engine during the war.
1919 Developed a light car powered by a 3-cylinder radial engine
1919-20 Produced a few cars of 11.9 hp
1920 With the ending of the war, Cosmos had no production designs, and their repair work was quickly dwindling. The company was soon insolvent. Convinced of the quality of the Cosmos designs, the Air Ministry "made it known" that they would be rather happy if the company were purchased by Bristol, which eventually took place in 1920.
1920 EGM to wind up the company - J. P. Brazil was chairman
1921 Paris Air Show exhibit of engines included one by Cosmos Engineering (then Bristol Aeroplane) said to be the first air-cooled aero engine to pass the 50-hour endurance test set by the Air Ministry
Sources of Information
-  Wikipedia