Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,701 pages of information and 247,104 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Hubert Charles Henry Townend

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Dr. Hubert Charles Henry Townend (1896-1943) of National Physical Laboratory

Originator of the Townend Ring for reducing the drag of radial air-cooled aero engines

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