Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,372 pages of information and 230,039 images on early companies, their products and the people who designed and built them.
of South Street, Ponders End, Middx. Telephone: Howard 2081 (5 lines). Cables: "Bylock, Enfield". (1947)
of Enfield, Middz. (1956)
1934 Private company.
1947 Company made public.
1947 British Industries Fair Advert as Manufacturers of Suction Cleaners, Domestic and Industrial; Vacuum Cleaners; Hair Driers; Hand Driers; Electric Floor Polishers; Hot and Cold Air Blowers; Industrial Hand Drying Equipment; Fractional Horse Power Motors; Electrical Sub-Assemblies. (Suction Cleaners Section - Earls Court, 1st Floor, Stand No. 719) 
1960 Patent - Improvements relating to vacuum cleaners and vacuum cleaner nozzles. 
1961 Electro-mechanical engineers manufacturing electrical products for industrial and home markets, including vacuum cleaners, refrigerators, spin dryers, washing machines, spray units, floor polishers, hand dryers, hair dryers, fan heaters, fractional horse-power motors, air exhausting and impelling equipment, "Victor" safety irons, sheet metal fabrications and sub-assemblies. 500 employees. 
1962 Patent - Improvements relating to electric motors.