Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,701 pages of information and 247,104 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.
Dr John Crawford
Worked for [[ICI's Explosives Division
1932/3 Developed the first commercial synthesis of poly-methyl methacrylate, Perspex, building on work that he and Rowland Hill of ICI's Dyestuff's group had done.
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MW1.43