From Grace's Guide To British Industrial History (http://www.gracesguide.co.uk/1939_Suppliers_to_the_Aircraft_Industry#D) :-
Dashwood Engineering Ltd., 27 Grosvenor Place, London, S.W.1, supplies machined parts and components for aircraft. Among such parts are fork-ends and tubular struts, undercarriage details and other parts which call for precision in manufacture. Mechanically pressed parts in high-tensile steel, electric and atomic welding, sheet metal work and so forth are other specialities of the company.