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 142,999 pages of information and 229,220 images on early companies, their products and the people who designed and built them.

William Frederick Albert Richey

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Lighthouse Works, West Smethwick.

1917 Patents (with others) lenses for search lights that converts parallel beams into conical beams. [1]

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Sources of Information

  1. The Engineer 1918/02/01