Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,611 pages of information and 247,064 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.
1960 Isotope Developments Ltd changed its name to Nucleonic Investments Ltd after sale of a subsidiary; it continued to own R. A. Stephen and Co, a maker of radiation measuring instruments [1]
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