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Light Metal Forgings Ltd. of Oldbury, Birmingham.
1935 Private company.
1937 Manufacturers of aluminium, copper, magnesium and light metal (alloy) forgings. 
1950 Reconstruction of J. Stone and Co to be a holding company; the existing 50 percent holdings in Light Metal Forgings Ltd in partnership with Hughes-Johnson Stampings would be maintained, as would the 50 percent holding in Stone-Fry Magnesium Ltd. 
1961 Drop forgers and stampers in light alloys. 180 employees. 
Subsidiary of J. and H. B. Jackson