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 138,146 pages of information and 223,038 images on early companies, their products and the people who designed and built them.

Allen and Adamson

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Ashtead, Surrey.

The Allen Accumulator.

The positive and negative plate in these accumulators consists of a lead frame, which holds a plate of solid active material without subdividing it in anyway. The active medium is therefore in one unbroken mass, and is claimed to be free from local action caused by lead bars subdividing it.

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