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 143,024 pages of information and 229,410 images on early companies, their products and the people who designed and built them.

National Ball Bearing Factory

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Established by the Ministry of Munitions at Chelmsford

Existing factory nationalised in September 1917.

Management: Hoffmann Manufacturing Co.

Products: ball bearings.

See Also


Sources of Information

  • Ministry of Munitions [1]