Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

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.

Intertherm

From Graces Guide
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of London SW2

1969 Interthem was the British company of the Elphiac Group which combined the electroheating interests of Philips and ACEC[1]

See Also

Sources of Information

  1. The Times, Dec 30, 1969