Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,361 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
Note: This is a sub-section of De Havilland.
WWII Frank Halford designed a simplified version of Frank Whittle's centrifugal-flow design of jet engine, with the air intake on the front and "straight-through" combustion chambers. Known initially as the Halford H.1, the project was taken up by de Havilland who produced it as the de Havilland Goblin.