Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,315 pages of information and 230,176 images on early companies, their products and the people who designed and built them.
of The Hyde, Hendon, London, NW9. Telephone: Colindale 6346/7/8/9. Telegraphic Address: "Despnuco, Hyde, London". (1937)
1920 Private company.
1930 Patent - Improved means for attaching skis or the like to boots or other footwear. 
1937 Patent - Portable electric drills and the like. 
1937 British Industries Fair Adverts for 'Vidal' British Portable Electric Tools; Screw Gun; Grinder. (Electricity: Industrial and Domestic Section - Stand No. Cb.401)
1937 British Industries Fair Adverts for 'Desoutter' Pneumatic Tools and Standardised Die Set Service. (Engineering/Metals/Quarry, Roads and Mining/Transport Section - Stand No. Cb.401) 
1937 Manufacturers of pneumatic and electric tools. 
1939 See Aircraft Industry Suppliers
1961 Patentees and manufacturers of electric and pneumatic portable tools including high and low speed drills, corner drill, screwdrivers, nutrunners, grinders, standardized press tool sets. 460 employees.