Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,849 pages of information and 225,307 images on early companies, their products and the people who designed and built them.
Heywood Compressor Co Ltd of Redditch, Worcestershire.
WWII Made Hymatic compressed air systems for firing aircraft guns. Manufactured parts for the De Havilland Mosquito
1946 Name changed to Hymatic Engineering Co