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 146,754 pages of information and 232,400 images on early companies, their products and the people who designed and built them.

Locket and Judkins

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1917. From The Year-Book of Wireless Telegraphy and Telephony

Locket & Judkins held the Royal Warrant continuously during the reigns of George III., George IV., William IV., Queen Victoria, and King Edward VII.

Later incorporated into Gardner, Locket and Hinton

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