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 148,109 pages of information and 233,634 images on early companies, their products and the people who designed and built them.

Patrick David de Laszlo

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Patrick David de Laszlo (1909-1980) of Celestion and McMurdo Instrument Co

Born in London on 26th March 1909, the fourth of the five sons of Philip Alexius de László and his wife Lucy Madeline Guinness.

Joined his brother Stephen, to work on the design for miniature radio valves and in forming a company called Hivac, which developed and manufactured these valves. Hivac was later sold to English Electric.

From 1937-1949, he was Managing Director of Celestion

Post WWII. Founded Halmatic Ltd., he was Managing Director from 1950-1960

See Also

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Sources of Information

  • Obituaries in the Daily Telegraph 4.11.1980 and The Times 7.11.1980
  • Geni.com