Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of Marshgate Lane, Stratford, London
1902 June. Description of their works.
1911 Catalogue on storage batteries. 
1914 Storage Battery Manufacturers. Employees 350. 
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 Electric accumulator manufacturers.