Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,778 pages of information and 247,161 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
of Manchester
1931 Hardman and Holden manufactured ferrocyanide blue pigments and a variety of other chemicals which were sold under the trade name of Manox.[1]
Grace's Guide web site design is Copyright © 2025 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
MW1.43