HC Deb 06 March 1961 vol 636 c7
7. Mr. Shepherd

asked the Minister of Aviation to what extent the production of thermionic valves in the United Kingdom is under the control of foreign ownership.

Mr. Thorneycroft

Probably the greater part of the domestic thermionic valves produced in this country is produced by companies in which foreign companies have a controlling interest. The position in respect of industrial thermionic valves is not known.

9. Mr. Shepherd

asked the Minister of Aviation whether the United Kingdom is a net importer or exporter of thermionic valves.

Mr. Thorneycroft

The United Kingdom is a net exporter of electronic and nucleonic valves of all types. No separate statistics relating to thermionic valves only are collected. But there is reason to believe that the United Kingdom is also a net exporter of thermionic valves.

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