Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,950 pages of information and 210,197 images on early companies, their products and the people who designed and built them.
of Lumford Mills, Bakewell, Derbyshire, and,
66 Victoria Street, London.
1888 Company founded as the Dujardin-Plante Battery Co. which developed prototype accumulators.
1895 Private company incorporated.. The new enterprise would provide the batteries needed in the electrification of large English houses.
1898 Manufacturing plant installed at Bakewell in Arkwright's disused water-powered Lumford Mill.
1914 Manufacturers of storage batteries and accessories. 
1917 Chloride tried to buy the 95% of the shares of Tudor Accumulator Co which were vested in the Public Trustee but did not succeed; Hart Accumulator Co, D. P. Battery Co and Pritchetts and Gold bought the shares jointly between themselves
1926 M. C. L. and Repetition was set up by J. Stone and Co, Hart Accumulator Co and D. P. Battery Co to manufacture "repetition" parts (principally nuts and bolts) but also made magnetos on a small scale..
1937 Storage battery manufacturers. "D.P." and "Dualode" Batteries. "Kathanode" Batteries. 
1961 Lead acid battery manufacturers. 400 employees. 
The former factory at Lumford Mill is now in multiple occupation by various companies.
Bakewell Old House Museum has a good display of photographs and small items connected with the company