Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,371 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
Weyburn Engineering Co of Elstead, Surrey.
1935 Public company.
1937 Engineers; aero engine accessories. 
Made engines for lifeboats (see photo)
1961 Precision engineers, specialising in machining of camshafts, hydraulic pumps, governors and aero components. 750 employees.