Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,652 pages of information and 247,065 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.
United Peripherals Ltd (UPL) of Winsford, Cheshire
A joint venture with Control Data Corporation of USA
c.1980 Company established by BTG to manufacture and sell computer peripherals, initially based on Control Data products.
1982 UPL was described as costly and controversial; BTG owned 76 percent; the shareholding was held through the Data Recording Instrument Co[1]
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