Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,357 pages of information and 244,505 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.

Magnetic Devices

From Graces Guide
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June 1955.
June 1955.

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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Sources of Information