Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
Established by the Ministry of Munitions at Chelmsford
Existing factory nationalised in September 1917.
In September 1917 the Hoffman Manufacturing Co. which was producing ball-bearings on a large scale, became a National Factory. The company was bought out as their existing owners were reluctant to expand to cope with the additional demands for product from the aircraft industry.
By 1918 230,000 ball-bearings a month were being produced.
Management: Hoffmann Manufacturing Co.
Products: ball bearings.
This was a huge complex situated just to the north of Marconi Works.