Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,270 pages of information and 234,239 images on early companies, their products and the people who designed and built them.

Varley Dry Accumulators

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November 1958.

of Barking, maker of dry accumulators

c.1910 Oliver Pell Control developed the Varley dry accumulator (perhaps based on the patent of Frederick Henry Varley?)

1940 Patent application, by the company and Jonas Abraham Szper, a Polish citizen of the company's address, for improvements in electric storage batteries

1941 Leonard Fuller and Harold Dennis Lark patented improvement to electric storage batteries for Varley Dry Accumulators of Barking

and several other patents

1954 Supplied batteries for the Britannia aircraft[1]

1964 Acquired by General Electrical and Mechanical Systems[2]

1974 Ever Ready Co (Holdings) acquired Varley from General Electrical and Mechanical, an offshoot of Babcock and Wilcox[3]

See Also


Sources of Information

  1. The Times Dec 21, 1954
  2. The Times, Jul 21, 1964
  3. The Times, Jul 18, 1974