New Electronics archive: March 31 1970
In the 1920's, the company moved from mechanical engineering into the electronics market and in 1923 produced the first British made portable battery radio.
During WW2, it produced a vast array of components and equipment for the war effort, including shell cases, aircraft parts and radio equipment. In 1961 it merged with the British Ericsson Telephone Company and the Automatic Telephone & Electric (AT&E) to become Britain's largest manufacturer of telecommunications equipment.
In February 1989, the company was taken over by a consortium formed by GEC and Siemens which broke up the Plessey group.
NRDC supports Plessey SPC Telephone Plans
Plessey Semiconductor was founded in 1917 in Marylebone, central London. The original shareholders were Thomas Hurst Hodgson, C.H. Whitaker, Raymond Parker and his brother Plessey Parker.
