Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,390 pages of information and 246,840 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.
1949 Subsidiary of Pye; maker of relays in association with Guardian Electric Corp of Chicago
1952 Company formed
1977 Magnetic Devices joined with Pye Electro Devices (solenoid manufacturers)
1983 Company renamed PED
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