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 140,592 pages of information and 227,382 images on early companies, their products and the people who designed and built them.

Standard Valves

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1919.
September 1920.
March 1939.
March 1939.
1940.
January 1946.
October 1949.

of Balmoral Road and Kingsthorpe Road, Northampton.

1937 Manufacturers of engine valves. "Better Engine" Valves. [1]

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