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 146,991 pages of information and 232,842 images on early companies, their products and the people who designed and built them.

Sumlock Comptometer

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Sumlock Comptometer Ltd. of Anita House, Rockingham Rd., Uxbridge, Middx.

Successor to Sumlock Anita Electronics

1973 Part of Lamson Industries Group

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