Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.


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of Tyburn Road, Erdington, Birmingham 24. Telephone: East 1121. Telegraphic Address: "Ether, Birmingham". (1937), Temperature measurement and control apparatus for industry.

1923 Business established

1937 Listed Exhibitor - British Industries Fair. Temperature Measuring Instruments, including Indicating Pyrometers, Temperature Recorders, Automatic Temperature Controllers for Gas, Oil, Electric Furnaces. Molten-Metal Pyrometers. Surface Contact Pyrometers. Optical Radiation Pyrometers. Moving Coil Galvanometers. Thermometers. (Stand Nos. Ca.709 and Ca.608)

1945 Advert. Pyrometers.

1959 Ether Ltd acquired J. Langham Thompson[1].

1964 Name changed to Ether Controls Ltd[2]

1964 The name of J. Langham Thompson Ltd was changed to Ether Langham Thompson Ltd

1964 Supplied instrumentation for semi-conductor furnaces to Royce Electric Furnaces of Woking, for export to Russia[3].

1964 Pye acquired Ether Controls[4]/Ether Langham Thompson. Formation of Pye Ether

1968 Patent - Improvements in or relating to Adjustable Valves.

1968 Name of Ether Langham Thompson Ltd was changed to Ether Engineering Ltd

1970 Name of Ether Engineering Ltd changed to Pye Dynamics Ltd

At some point formation of Pye Ether Ltd

See Also


Sources of Information

  1. The Times, 24 November 1959
  2. The Times, Mar 26, 1964
  3. The Times 31 March 1964
  4. The Times, Oct 08, 1964