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of Warple Way, Acton Vale, London were electrical engineers.
Also sold CAV-Ruthardt magnetos for motorcycles and cars.
Company formed by Charles Anthony Vandervell
1892 Vandervell set up a business at Willesden Green making accumulators.
1899 Offering small gas engines rated up to 1.5 bhp
1902 August. Acquire new premises at Chapter Works, Chapter Road, Willesden Green.
1910 Albert Henry Midgley formed a syndicate with Charles Vandervell, and William Proctor, a buyer for the Daimler Car Company and a friend of Vandervell's, to manufacture Midgley's electrical transmission gear and dynamo and develop Vandervell's idea of an accumulator powering an electric lighting set for cars.
Midgley made arrangements with H. P. Brookes and Co to manufacture his design of dynamo for Vandervell's. Orders came in at a great rate as the system was in great demand from the motor industry and the manufacturers of lighting systems for trains. Production was moved to new works in Acton.
1914 The Acton factory employed 2000 people.
1916 A limited company was formed with a share capital of £350,000 to take over a business carried on by Vandervell at Acton. The products of the company included batteries, magnetos, dynamos, starters, lamps, horns and other motor goods. Mr. Vandervell was one of the pioneers in the manufacture of batteries and dynamos for motor vehicles, having started manufacture of these items well before the time when Lucas first began the manufacture of electrical goods, and he had made particular progress in the development of electrical equipment for the heavier commercial types of vehicles.
1917 Established a factory in Hove, initially on a temporary basis, to produce war materiel including munitions.
Post WWI the Hove business traded as C. A. V. Small Tools
1920 Issued a catalogue of magnetos. 
1920 Dynamo for car lighting. 
1920 October. Exhibited at the Commercial Motor Exhibition at Olympia with electrical lighting equipment for commercial vehicles. 
By 1922, the supply of electrical equipment for commercial vehicles was largely in the hands of C. A. Vandervell Ltd.
1922 Producing hand tools including dividers, calipers, engineers' squares, V-blocks. These were produced in the Brighton factory, established in WW1 to produce magnetos 
Robert Bosch A.G. of Stuttgart acquired a 49 per cent interest in the company
1931 Following a manufacturing and market sharing agreement between Lucas and Bosch, the name of C. A. Vandervell and Co was changed to C. A. V. - Bosch. By the agreement made in 1931 between Lucas and Bosch the ownership of Bosch Ltd. was transferred to C.A.V.-Bosch Ltd.
See C. A. V. - Bosch