Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,650 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.

Magnetic Devices: Difference between revisions

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[[image:Im195506WW-MD.jpg|thumb| June 1955. ]]
[[image:Im195506WW-MD.jpg|thumb| June 1955. ]]
[[Image:Im195506WW-MD2.jpg|thumb| June 1955.]]


1949 Subsidiary of [[Pye]] Ltd; maker of relays in association with Guardian Electric Corp of Chicago
1949 Subsidiary of [[Pye]]; maker of relays in association with Guardian Electric Corp of Chicago


1952 Company formed
1952 Company formed

Revision as of 06:54, 17 April 2013

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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