Siddeley-Deasy
The Siddeley-Deasy Motorcar Company Limited was a British automobile, aero engine and aircraft company based in Coventry in the early 20th century. It was central to the formation, by merger and buy-out, of the later Armstrong Siddeley Motor and Armstrong Whitworth Aircraft companies.
Read more about Siddeley-Deasy: History, World War I, See Also