Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,264 pages of information and 220,098 images on early companies, their products and the people who designed and built them.
G. R. Jones and Co Ltd. of Swedish Steel File Works and Rolling Mills, Sheffield.
Manufacturers and suppliers in Great Britain.
1937 Crucible steel manufacturers. "Lightening Cut" High Speed Steel. "New Beats All" High Speed Steel. "Ultra" High Speed Steel.